PRIX TOOLS / Images & video
Color Contrast Checker
Enter foreground and background colours to see contrast ratios and AA/AAA results for normal and large text.
Get started
Color Contrast Checker — steps and download
Enter text and background HEX colors. Review the contrast ratio and thresholds for normal and large text, then download a summary of your color decision.
Is the contrast result a full accessibility audit?
No. It calculates the WCAG contrast ratio for a color pair. Font size, actual rendering, keyboard use and other accessibility requirements need separate review.
Frequently asked questions
Which text thresholds are used?
Normal text uses 4.5:1 for AA and 7:1 for AAA; large text uses 3:1 and 4.5:1. The definition of large text is shown separately.
Is the contrast result a full accessibility audit?
No. It calculates the WCAG contrast ratio for a color pair. Font size, actual rendering, keyboard use and other accessibility requirements need separate review.
Are my files and input data uploaded?
Tool processing runs on your device; file and form contents are not sent to a server for processing. Loading the website still creates standard web requests. Using a contact link is a separate action.
Do I need an account or API key?
No account or API key is required for the tool. Use is free within the file, operation and device limits stated on the page.