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Design

WCAG Contrast Checker

Check whether text and background pass WCAG AA and AAA contrast ratios.

Runs in your browserNo account requiredNo uploadFree
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About WCAG Contrast Checker

Enter foreground and background colors to see the contrast ratio and pass/fail for AA and AAA at normal and large text sizes.

Frequently asked questions

AA needs 4.5:1 for normal text, 3:1 for large. AAA needs 7:1 and 4.5:1 respectively.

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