Color Contrast Checker

Check WCAG AA/AAA contrast ratio between two colors

ratio = (L₁ + 0.05) / (L₂ + 0.05)
Contrast ratio
16.6783:1
AA normal (≥ 4.5)
PASS
AA large (≥ 3.0)
PASS
AAA normal (≥ 7.0)
PASS
AAA large (≥ 4.5)
PASS
fg luminance: 0.012956
bg luminance: 1
Sample text rendered in the foreground color on the background color.Sample textThe quick brown fox jumps over16.6783:1contrast ratio