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.

Testing methods

Type of complianceInspection
Pre-conditions
  1. The ICT is a web page.
Procedure
  1. Check that the web page does not fail WCAG 2.0 Success Criterion 1.4.3 Contrast (Minimum).
Result Pass: Check 1 is true
Fail: Check 1 is false

 

Requirement details

Reference number: 9.2.12

Related requirements

Related functional statements

Related technical requirements

No related technical requirements are associated with this technical requirement