Contrast Checker

Check color contrast ratios for WCAG accessibility.

Color Contrast Checker

Small Text Sample (14px)
Large Text Sample (24px Bold)

How to use Contrast Checker

1
Navigate to the Contrast Checker tool above and enter or upload your input data.
2
Configure any available options or settings to match your needs.
3
Click the action button to process your input. Results appear instantly.
4
Copy or download the result. All processing happens in your browser — no data is sent anywhere.

Frequently Asked Questions

Is the Contrast Checker free to use?
Yes, Contrast Checker is completely free. No signup, no account, and no payment required. It will always be free.
Does Contrast Checker work on mobile?
Yes, this tool is fully responsive and works on all devices — mobile, tablet, and desktop. It runs entirely in your browser.
Is my data safe when using Contrast Checker?
Absolutely. All processing happens in your browser. Your data is never sent to any server and is not stored or logged anywhere.
Do I need to install anything?
No installation required. Contrast Checker works directly in your browser — just visit the page and start using it instantly.