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Color Contrast Checker

Check WCAG 2.1 contrast ratios for accessibility compliance

Quick Presets
Large Text (18pt+)
Normal body text at regular size (16px). The quick brown fox jumps over the lazy dog.
Small text for fine print and captions.
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Contrast Ratio

WCAG 2.1 Requirements

LevelText SizeMin RatioDescription
AANormal text4.5:1Minimum for body text and UI components
AALarge text (18pt+ or 14pt bold)3:1Minimum for headings and large text
AAANormal text7:1Enhanced contrast for maximum readability
AAALarge text (18pt+ or 14pt bold)4.5:1Enhanced contrast for large text