Colour Contrast Checker
Check whether your text and background colours meet WCAG 2.1 AA and AAA contrast requirements, with a live preview. Runs entirely in your browser.
Open the contrast checkerPractical, free tools to help you build and check accessible digital content. More are on the way — bookmark this page.
Check whether your text and background colours meet WCAG 2.1 AA and AAA contrast requirements, with a live preview. Runs entirely in your browser.
Open the contrast checkerPaste a page's HTML to see its heading outline, spot skipped heading levels, and find images missing alt text. Runs in your browser.
Open the heading checkerAnswer a few questions and generate a ready-to-use website accessibility statement aligned with WCAG and the AODA. Runs in your browser.
Open the statement generatorA quick guided checklist to gauge whether your PDF is likely accessible. In development. For now, see our full checklist.
View the PDF checklist