Color Contrast Checker
Check contrast ratio between foreground and background colors. See WCAG AA and AAA pass for tex. 100% private and offline.
Preview text
The quick brown fox jumps over the lazy dog.
Contrast ratio
14.48:1
AA normal (4.5:1) ✓
AA large (3:1) ✓
AAA normal (7:1) ✓
More Images & Design
About the author
Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .
Frequently asked questions
The WCAG 2.1 relative luminance contrast ratio (AA and AAA).
Yes. It reports pass/fail for both normal and large text.
Yes, it is free, works offline in your browser, and your data never leaves your device.
How to use Color Contrast Checker
- Pick colors: Choose a foreground and background color.
- View ratio: Read the contrast ratio.
- Check WCAG: See AA and AAA pass/fail badges.