Color Contrast Checker
Test text and background colors against WCAG contrast targets.
16.27:1Contrast ratio
PassNormal text AA
PassLarge text AA
Readable design matters
This is sample normal-sized text used to preview the selected colors.
Large text previewDesigned around privacy and ease of use
Where practical, this tool will run directly in the browser. Each completed tool page will explain exactly how information or uploaded files are handled.