Color Contrast Checker (WCAG)
Check color contrast ratios for WCAG 2.1 AA/AAA compliance. Foreground/background picker.
About Color Contrast Checker (WCAG)
Check color contrast ratios for WCAG 2.1 AA/AAA compliance. Foreground/background picker. Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.
FAQ
What does this tool do?
Check color contrast ratios for WCAG 2.1 AA/AAA compliance. Foreground/background picker.
Is my data sent to a server?
No. This tool runs 100% in your browser. Nothing is uploaded, tracked, or stored remotely.
What extra features does this tool have?
Extras: (1) (1) WCAG 2.1 contrast ratio, (2) (2) AA compliance (4.5:1), (3) (3) AAA compliance (7:1), (4) (4) Large text check, (5) (5) Foreground/background picker, (6) (6) Live preview, (7) (7) Hex/RGB/HSL input, (8) (8) Suggested fixes, (9) (9) Bulk pair check, (10) (10) Copy colors, (11) (11) Export report, (12) (12) PWA offline
Does this work offline?
Yes — install as a PWA and use it without network.
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