How to Check color contrast ratio
Step-by-step guide to check color contrast ratio with Toolenza's free contrast checker tool. Works in your browser — no upload, no account required.
The fastest way to check color contrast ratio is with a browser-based developer tool that runs locally, keeps your data on your device, and skips the wait, watermarks and account walls that make bigger platforms slow. This guide walks through the four steps: open the tool, bring in the foreground and background colors, configure the run, and download the WCAG contrast ratio and grade.
WCAG AA & AAA color-contrast verifier
Step-by-step
-
1Open Toolenza Contrast Checker
Head to the Contrast Checker tool on Toolenza — it loads in-browser with no sign-up.
-
2Bring in The foreground and background colors
Drop, paste or type the foreground and background colors into the tool. Everything stays on your device.
-
3Pick both colors
The tool previews the result as you tweak so you can iterate before exporting.
-
4Download the WCAG contrast ratio and grade
Click Download (or Copy) to save the WCAG contrast ratio and grade. Files are generated on your device — nothing is uploaded.