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.