Tool guide
WCAG contrast: how it works
Practical information to understand the result and use this tool correctly.
About WCAG contrast
Check contrast between two colors.
The tool runs directly in the browser for immediate results.
How to use it
- 1Enter a HEX color (e.g. #2563eb) or the values the tool asks for.
- 2Review the conversion, contrast, mix, or CSS snippet on the same page.
- 3Copy the value or snippet into your design or stylesheet.
Frequently asked questions
- What color format should I use?
- Most tools expect a 6-digit HEX. Many also show RGB or HSL in the result.
- Do I need an account?
- No. You can use the tool immediately without signing up.