How it works
- Drop your file or paste your content into the tool above.
- Adjust the options — every change updates the preview instantly.
- Download the result. Your file never leaves your browser.
Contrast Checker
Check WCAG color contrast between two colors. Get the ratio plus AA / AAA verdicts for normal and large text — everything runs locally in your browser.
Contrast ratio14.05:1
WCAG verdict
AA · normal textPass
AA · large textPass
AAA · normal textPass
AAA · large textPass
Live preview
Small text (12px) — the quick brown fox jumps over the lazy dog.
Body text (16px) — the quick brown fox jumps over the lazy dog.
Bold text (14px bold) — the quick brown fox jumps over the lazy dog.
Large text (24px) — quick brown fox.