Vérificateur de Color Contrast
Check WCAG contrast ratio between two hex colors.
Formula and method
This text tool processes the text in your browser and shows the output below the editor. For sensitive text, avoid pasting secrets into any website unless you understand the risk.
Embed this tool
Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.
Frequently asked questions
What is Color Contrast Checker?
Color Contrast Checker is a free, privacy-first online tool on SpecWhale designed to check wcag contrast ratio between two hex colors. quickly in your browser without requiring an account or sign-up.
Is Color Contrast Checker free to use?
Yes, all tools on SpecWhale are 100% free, have zero usage limits, and run entirely in your web browser.
Is Color Contrast Checker free to use?
Yes. Color Contrast Checker is completely free, has no usage limit, and does not require an account, email, or API key.
Does Color Contrast Checker store or upload my data?
No. Color Contrast Checker calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is Color Contrast Checker?
Color Contrast Checker follows the method described above. As with any free tool, double-check results before relying on them for anything high-stakes.
Can I embed Color Contrast Checker on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Color Contrast Checker to your own blog post or page.