Color Contrast Checker
Check WCAG color contrast ratios for accessibility.
21.00:1
The quick brown fox jumps over the lazy dog
Small text sample for contrast testing
What This Tool Helps You Do
Color Contrast Checker helps you check WCAG color contrast ratios for accessibility. It is designed for developers, QA teams, SREs, API integrators, and support engineers who need wcag contrast, accessibility, and color checker without switching into a heavier toolchain than the task actually requires.
The developer category groups browser-based helpers for tokens, schemas, formats, HTTP references, code generation, and debugging tasks. On this page, the focus is wcag contrast and accessibility. For this tool, the main processing happens in your browser tab and the output is prepared on the same device. That makes it a better fit for quick edits, conversions, cleanup, and review work that should stay close to the source file or pasted data.
Best For
Recommended Workflow
Enter the source input for the task, then choose the format or options that match the result you want.
Review the analysis settings that shape color contrast checker, then run the check and inspect the output carefully.
Preview the result from color contrast checker, then copy, download, or export the finished output for the next step in your workflow.
Processing and privacy
For this tool, the main processing happens in your browser tab and the output is prepared on the same device. That makes it a better fit for quick edits, conversions, cleanup, and review work that should stay close to the source file or pasted data.