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Color Contrast Auditor
ColorAudit color contrast ratios for WCAG 2.1 AA and AAA compliance with suggested fixes.
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Sample TextThe quick brown fox jumps over the lazy dog.
Contrast Ratio
21.00:1
WCAG Level
AAA
Excellent contrast for all text sizes
Quick answers for Color Contrast Auditor
What does the Color Contrast Auditor do?
Audit color contrast ratios for WCAG 2.1 AA and AAA compliance with suggested fixes. The Color Contrast Auditor is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Color Contrast Auditor?
Open the Color Contrast Auditor on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Color Contrast Auditor free to use?
Yes. The Color Contrast Auditor is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Color Contrast Auditor safe and private?
Yes. The Color Contrast Auditor processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What color formats does the Color Contrast Auditor support?
The Color Contrast Auditor works with the formats web developers reach for every day - HEX, RGB / RGBA, and HSL. You can copy any value with one click for use in CSS, design tools, or code.
Can I use the Color Contrast Auditor offline?
Once the page has loaded, the Color Contrast Auditor continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.