Design · Local
Contrast Checker
Check foreground and background color contrast ratios locally against WCAG thresholds.
Common uses
- Check AA contrast for interface text
- Compare foreground and background colors
- Review accessible design tokens before shipping
Why use this tool
Contrast Checker gives fast accessibility feedback in the browser without relying on a paid design suite.
How this workflow fits together
Paste or choose local inputYour data stays in the page while the browser does the work.
Run the tool in your browserReview the result, adjust options, and run again without switching tools.
Copy or download the outputMove the result into your code, document, spreadsheet, or next ThinkDrift tool.
Use Contrast Checker online
Runs locally in your browser.
Is this tool free?
Yes. This tool is part of the free ThinkDrift Cloud toolbox.
Where does the tool run?
This tool runs locally in your browser.
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