WCAG color contrast checker
Check the contrast ratio between two colors for accessibility (AA/AAA).
How to use it
- Add your file or enter your values.
- Adjust the options if needed.
- Run it: the result appears at once and stays on your device.
FAQ
What is WCAG color contrast checker for?
Check the contrast ratio between two colors for accessibility (AA/AAA).
How do I use WCAG color contrast checker?
1. Add your file or enter your values. 2. Adjust the options if needed. 3. Run it: the result appears at once and stays on your device.
Is my data sent anywhere?
No, the calculation runs entirely in your browser.
Is WCAG color contrast checker free and unlimited?
Yes, no signup, no usage limit.
Which browsers are supported?
All modern browsers, on desktop and mobile.
Does WCAG color contrast checker work offline?
After a first visit, most tools keep working without a connection.