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Contrast Checker

Check colour contrast ratio and WCAG accessibility compliance.

Sample text

Body text at 16px

Contrast ratio

21.00:1

โœ“

AA Normal text

โ‰ฅ 4.5:1 ยท Pass

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AA Large text

โ‰ฅ 3:1 ยท Pass

โœ“

AAA Normal text

โ‰ฅ 7:1 ยท Pass

โœ“

AAA Large text

โ‰ฅ 4.5:1 ยท Pass

Quick presets

Why Colour Contrast Matters

Approximately 8% of men and 0.5% of women have some form of colour vision deficiency. Low-contrast text is difficult or impossible to read for users with visual impairments, in bright sunlight, or on poor-quality screens. Accessible colour choices improve readability for everyone.

Frequently Asked Questions

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