Functional Accessibility Requirements

    5. Generic requirements

    5.1.2 General

    5.1.3 Non-visual access

    5.1.6 Operation without keyboard interface

    5.2: Activation of accessibility features

    Where ICT has documented accessibility features, it shall be possible to activate those documented accessibility features that are required to meet a specific need without relying on a method that does not support that need.

    8. Hardware

    8.1.1 Generic requirements

    8.1.3 Colour

    Where the ICT has hardware aspects that use colour, colour shall not be used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

    8.2.1 Speech volume gain

    8.2.2 Magnetic coupling

    8.3.2 Clear floor or ground space

    8.3.2.3 Approach

    8.3.3 Reach range for ICT

    8.3.3.1 Forward reach

    8.3.3.1.3 Obstructed reach

    8.3.3.2 Side reach

    8.3.3.2.3 Obstructed side reach

    8.4.2 Operation of mechanical parts

    9. Web

    9.2.9 Sensory characteristics

    Where ICT is a web page, it shall satisfy WCAG 2.0 Success Criterion 1.3.3 Sensory Characteristics.

    WCAG 2.0 success criterion: Sensory characteristics

    Instructions provided for understanding and operating content do not rely solely on sensory characteristics of components such as shape, size, visual location, orientation, or sound.

    NOTE: For requirements related to colour, refer to WCAG 2.0 Guideline 1.4.

    9.2.10 Use of colour

    Where ICT is a web page, it shall satisfy WCAG 2.0 Success Criterion 1.4.1 Use of Color.

    WCAG 2.0 success criterion: Use of colour

    Colour is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

    NOTE: This success criterion addresses colour perception specifically. Other forms of perception are covered in WCAG 2.0 Guideline 1.3 including programmatic access to colour and other visual presentation coding.

    9.2.12 Contrast (minimum)

    Where ICT is a web page, it shall satisfy WCAG 2.0 Success Criterion 1.4.3 Contrast (Minimum).

    WCAG 2.0 success criterion: Contrast (Minimum)

    The visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following:

    • Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1.
    • Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement.
    • Logotypes: Text that is part of a logo or brand name has no minimum contrast requirement.

    9.2.14 Images of text

    Where ICT is a web page, it shall satisfy WCAG 2.0 Success Criterion 1.4.5 Images of Text.

    WCAG 2.0 success criterion: Images of text

    If the technologies being used can achieve the visual presentation, text is used to convey information rather than images of text except for the following:

    • Customizable: The image of text can be visually customized to the user's requirements.
    • Essential: A particular presentation of text is essential to the information being conveyed.

    NOTE: Logotypes (text that is part of a logo or brand name) are considered essential.

    9.2.33 Error identification

    Where ICT is a web page, it shall satisfy WCAG 2.0 Success Criterion 3.3.1 Error Identification.

    WCAG 2.0 Success Criterion: Error Identification

    If an input error is automatically detected, the item that is in error is identified and the error is described to the user in text.

    10. Non-web documents

    10.2.9 Sensory characteristics

    Where ICT is a non-web document, it shall satisfy the success criterion in Table 10.9.

    Table 10.9: Document success criterion: Sensory characteristics

    Instructions provided for understanding and operating content do not rely solely on sensory characteristics of components such as shape, size, visual location, orientation, or sound.

    NOTE 1: For requirements related to colour, refer to WCAG 2.0 Guideline 1.4 [4].

    NOTE 2: This success criterion is identical to the WCAG 2.0 Success Criterion 1.3.3 Sensory Characteristics with the words "WCAG 2.0" added before the word "Guideline" in note 1 above.

    10.2.10 Use of colour

    Where ICT is a non-web document, it shall satisfy the success criterion in Table 10.10.

    Table 10.10: Document success criterion: Use of colour

    Colour is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

    NOTE 1: This success criterion addresses colour perception specifically. Other forms of perception are covered in WCAG 2.0 Guideline 1.3 [4] including programmatic access to colour and other visual presentation coding.

    NOTE 2: This success criterion is identical to the WCAG 2.0 Success Criterion 1.4.1 Use of Color with the words "WCAG 2.0" added before the word "Guideline" in note 1 above.

    10.2.12 Contrast (minimum)

    Where ICT is a non-web document, it shall satisfy the success criterion in Table 10.12.

    Table 10.12: Document success criterion: Contrast (minimum)

    The visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following:

    • Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1.
    • Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement.
    • Logotypes: Text that is part of a logo or brand name has no minimum contrast requirement.
    NOTE: This success criterion is identical to the WCAG 2.0 Success Criterion 1.4.3 Contrast (Minimum).

    10.2.14 Images of text

    Where ICT is a non-web document, it shall satisfy the success criterion in Table 10.14.

    Table 10.14: Document success criterion: Images of text

    If the technologies being used can achieve the visual presentation, text is used to convey information rather than images of text except for the following:

    • Customizable: The image of text can be visually customized to the user's requirements.
    • Essential: A particular presentation of text is essential to the information being conveyed.

    NOTE 1: Logotypes (text that is part of a logo or brand name) are considered essential.

    NOTE 2: This success criterion is identical to the WCAG 2.0 Success Criterion 1.4.5 Images of Text.

    10.2.33 Error identification

    Where ICT is a non-web document, it shall satisfy the success criterion in Table 10.33.

    Table 10.33: Document success criterion: Error identification

    If an input error is automatically detected, the item that is in error is identified and the error is described to the user in text.
    NOTE: This success criterion is identical to the WCAG 2.0 Success Criterion 3.3.1 Error Identification.

    11. Software

    11.2.1 Non-Web software success criteria (excluding closed functionality)

    11.2.1.9 Sensory characteristics

    Where ICT is non-web software that provides a user interface, it shall satisfy the success criterion in Table 11.9.

    Table 11.9: Software success criterion: Software success criterion: Sensory characteristics

    Instructions provided for understanding and operating content do not rely solely on sensory characteristics of components such as shape, size, visual location, orientation, or sound.

    NOTE 1: For requirements related to colour, refer to WCAG 2.0 Guideline 1.4 [4].

    NOTE 2: This success criterion is identical to the WCAG 2.0 Success Criterion 1.3.3 Sensory Characteristics with the words "WCAG 2.0" added before the word "Guideline" in note 1 above.

    11.2.1.10 Use of colour

    Where ICT is non-web software that provides a user interface, it shall satisfy the success criterion in Table 11.10.

    Table 11.10: Software success criterion: Software success criterion: Use of colour

    Colour is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

    NOTE 1: This success criterion addresses colour perception specifically. Other forms of perception are covered in WCAG 2.0 Guideline 1.3 [4] including programmatic access to colour and other visual presentation coding.

    NOTE 2: This success criterion is identical to the WCAG 2.0 Success Criterion 1.4.1 Use of Color with the words "WCAG 2.0" added before the word "Guideline" in note 1 above.

    11.2.1.12 Contrast (minimum)

    Where ICT is non-web software that provides a user interface, it shall satisfy the success criterion in Table 11.12.

    Table 11.12: Software success criterion: Document success criterion: Contrast (minimum)

    The visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following:

    • Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1.
    • Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement.
    • Logotypes: Text that is part of a logo or brand name has no minimum contrast requirement.
    NOTE: This success criterion is identical to the WCAG 2.0 Success Criterion 1.4.3 Contrast (Minimum).

    11.2.1.14 Images of text

    Where ICT is non-web software that provides a user interface and that supports access to assistive technologies for screen reading, it shall satisfy the success criterion in Table 11.14.

    Table 11.14: Software success criterion: Document success criterion: Images of text

    If the technologies being used can achieve the visual presentation, text is used to convey information rather than images of text except for the following:

    • Customizable: The image of text can be visually customized to the user's requirements.
    • Essential: A particular presentation of text is essential to the information being conveyed.

    NOTE 1: Logotypes (text that is part of a logo or brand name) are considered essential.

    NOTE 2: This success criterion is identical to the WCAG 2.0 Success Criterion 1.4.5 Images of Text.

    11.2.1.33 Error identification

    Where ICT is non-web software that provides a user interface and that supports access to assistive technologies for screen reading, it shall satisfy the success criterion in Table 11.33.

    Table 11.33: Software success criterion: Error identification

    If an input error is automatically detected, the item that is in error is identified and the error is described to the user in text.
    NOTE: This success criterion is identical to the WCAG 2.0 Success Criterion 3.3.1 Error identification.

    11.2.2 Non-Web software requirements (closed functionality)

    11.2.2.2 Audio-only and video-only (pre-recorded)

    11.3.2 Accessibility services

    11.4.1 User control of accessibility features

    Where software is a platform it shall provide sufficient modes of operation for user control over those platform accessibility features documented as intended for users.

    11.4.2 No disruption of accessibility features

    Where software provides a user interface it shall not disrupt those documented accessibility features that are defined in platform documentation except when requested to do so by the user during the operation of the software.

    11.5: User preferences

    Where software provides a user interface it shall provide sufficient modes of operation that use user preferences for platform settings for colour, contrast, font type, font size, and focus cursor except for software that is designed to be isolated from its underlying platforms.

    12. Documentation and support services

    12.1.1 Accessibility and compatibility features

    Product documentation provided with the ICT whether provided separately or integrated within the ICT shall list and explain how to use the accessibility and compatibility features of the ICT.

    12.2.2 Information on accessibility and compatibility features

    ICT support services shall provide information on the accessibility and compatibility features that are included in the product documentation.

Filter the requirements

Functional statements

Accessibility Requirements


Download the full standard as PDF