Color Contrast Checker
Check whether your text and background colors meet WCAG accessibility standards.
Large sample text
Normal body text sample for contrast.
Normal body text sample for contrast.
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AA normal
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AA large
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AAA normal
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WCAG contrast standards
The contrast ratio ranges from 1:1 (no contrast) to 21:1 (black on white). WCAG AA requires at least 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Good contrast makes your content readable for everyone.