1.4.6 Contrast (Enhanced)
Conformance level: AAA
Criterion released in WCAG version: 2.0
Official description of the success criterion
The visual presentation of text and images of text has a contrast ratio of at least 7:1, except for the following:
- Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 4.5:1;
- 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 contrast requirement.
What to do?
Provide a higher contrast ratio for text and images of text.
Why is it important?
Supports users with severe visual impairments.
How to test for it?
Check that the contrast between text/images of text and their background is at least 7:1.