KWCAG 2.2 · 5.4.1

How to test Text contrast

How to evaluate the KWCAG 2.2 checkpoint “Text contrast”. Automation catches part of it; the rest needs a person.

Which standards this maps to

Automated checks cover most cases; manually verify text over images/gradients and hover/focus states meet 4.5:1 (3:1 for large text).

2 automated rules judge this checkpoint. Each comes with remediation guidance.

Text must have sufficient color contrast color-contrast
Normal text needs 4.5:1 contrast against its background; large text needs 3:1.
Text does not meet enhanced (AAA) contrast color-contrast-enhanced
AAA (7:1) is not required but improves readability for low-vision users.

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