What does Color Contrast Checker do?
Check WCAG contrast ratio for two colors. The workspace keeps the input and result together, making it easy to check the change before you use it elsewhere.
For example, you can check WCAG contrast ratio for two colors while refining a component or design system.
What you can control
Color Contrast Checker gives you direct control over background.
How to use Color Contrast Checker
- 1
Choose the starting foreground or enter its exact color value.
- 2
Set background to match the result you need.
- 3
Run Color Contrast Checker, review the output, then copy or download it where available.
Tips for a better result
- Keep the original design value nearby while comparing the Color Contrast Checker result in context.
- Change one setting at a time—especially background—so differences are easier to compare.
- Check the result inside the real interface, where type size and surrounding colors also matter.
Frequently asked questions
Is my input private when I use Color Contrast Checker?+
Color Contrast Checker performs the calculation locally in this browser. The colors and dimensions entered are not stored by 247888.
What should I check after using Color Contrast Checker?+
Check the result inside the real interface, where type size and surrounding colors also matter.