Contrast Checker
Test WCAG contrast ratios between foreground and background colors.
Foreground
Background
Quick Presets
Generate complete design systems from screenshots.
Contrast Score
Current foreground color does not pass AA.
Suggested Color
#000000
New contrast ratio: 5.71:1
Testing real UI hierarchy.
Metric
Metric
Metric
This preview lets you see whether headings, body text, buttons and spacing remain readable.