Accessibility Contrast Checker
Check foreground/background color contrast against WCAG 2.1 AA and AAA accessibility standards.
Large Text (24px+)
Normal body text at regular size (16px). The quick brown fox jumps over the lazy dog.
Small text for captions and fine print (14px).
Contrast Ratio
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WCAG AA (Normal)
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WCAG AA (Large)
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WCAG AAA (Normal)
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WCAG 2.1 Requirements
AA Normal Text: Minimum 4.5:1 contrast ratio
AA Large Text: Minimum 3:1 contrast ratio (18px+ or 14px+ bold)
AAA Normal Text: Minimum 7:1 contrast ratio
AAA Large Text: Minimum 4.5:1 contrast ratio
Accessible Alternatives
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