ToolnozaDEVELOPER TOOL
Color Contrast Checker
Calculate WCAG contrast ratio between two opaque HEX colors.
Color Contrast Checker
FREE ONLINE TOOLPreview: readable text
STEP BY STEP
How to use color contrast checker
- Check the preview or result before using it.
- Copy the result or download the new file.
IN PRACTICE
Example
Black on white produces a contrast ratio of 21:1.
GOOD TO KNOW
What should I check?
Contrast alone does not establish complete accessibility.