About Color Contrast Checker
Check foreground and background color contrast against WCAG AA and AAA rules, with instant previews and accessible suggestions. It runs entirely in your browser using client-side processing — your data never leaves your device. No signup, no ads, no watermarks.
Whether on desktop, tablet, or mobile, Color Contrast Checker works instantly with real-time results.
Key Features
Check foreground and background color contrast against WCAG AA and AAA rules, with instant previews and accessible suggestions.
100% client-side processing — your data stays in your browser.
No signup, no ads, no watermarks — completely free.
How to Use Color Contrast Checker
1
Enter your text color
2
Enter your background
3
Enter your text color hex
4
Enter your background hex
5
Enter your sample heading
6
Enter your sample body copy
Why Use This Tool
Works Everywhere
Fully responsive on desktop, tablet, and mobile — no app installation needed.
No Usage Limits
Use as many times as you need. No daily caps, throttling, or forced waits.
Frequently Asked Questions
What is Color Contrast Checker?
Color Contrast Checker is a free online tool from ToolsJungle that runs entirely in your browser. No signup required, no data uploaded.
Is Color Contrast Checker really free?
Yes — 100% free with no hidden costs, premium versions, or usage limits. ToolsJungle is committed to free tools for everyone.
Is my data safe?
Absolutely. All processing is client-side — your data stays in your browser and is never uploaded to any server.
Do I need an account?
No account, email, or registration needed. Open the tool and start using it immediately.
Use Color Contrast Checker Now — Free
No signup · No ads · Instant results · 100% private