Colour Contrast Checker

Check text and background colours against WCAG AA/AAA contrast rules.

Developer Tools Runs in your browser. Files never leave your device.

Contrast Sample Text

Good contrast makes text readable for users with visual impairments.

Contrast Ratio: 8.33 : 1

AA Normal Text
Requires 4.5:1
AA Large Text
Requires 3.0:1
AAA Normal Text
Requires 7.0:1
AAA Large Text
Requires 4.5:1
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