โ Contrast Checker
Large Text (24px+)
Normal text โ The quick brown fox jumps over the lazy dog.
Small text (12px) โ Fine print and captions
21:1
Contrast Ratio
WCAG AA
Normal Text
โ Pass (4.5:1)
WCAG AA
Large Text
โ Pass (3:1)
WCAG AAA
Normal Text
โ Pass (7:1)
WCAG AAA
Large Text
โ Pass (4.5:1)
Test Common Combinations
โจ๏ธ S Swap ยท R Random ยท C Copy
WCAG 2.1 Requirements
- AA Normal: 4.5:1 โ The legal minimum for most jurisdictions
- AA Large: 3:1 โ For text โฅ18pt (or โฅ14pt bold)
- AAA Normal: 7:1 โ Enhanced readability
- AAA Large: 4.5:1 โ Enhanced for large text
Most accessibility lawsuits cite WCAG AA as the standard. AAA is aspirational but not legally required. When in doubt, hit 4.5:1 minimum.