Color Contrast Checker
Check foreground/background contrast for WCAG 2.1 accessibility compliance
Preview
Large Text Preview Aa
Normal text preview — The quick brown fox jumps over the lazy dog
Small text preview — This is sample text for testing contrast 0123456789
WCAG Standards
AA Level (Minimum): Normal text ≥ 4.5:1, large text (≥18pt or 14pt bold) ≥ 3:1
AAA Level (Enhanced): Normal text ≥ 7:1, large text ≥ 4.5:1
Contrast range: 1:1 (no contrast) to 21:1 (max black/white).