Color Contrast Checker
Check color contrast ratios for WCAG accessibility compliance. All processing happens locally.
Sample Text
Select colors to check contrast ratio
FAQ
What is WCAG?
WCAG (Web Content Accessibility Guidelines) provides standards for web accessibility. Level AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Level AAA requires 7:1 for normal text and 4.5:1 for large text.
Is my data sent to a server?
No. All processing happens locally in your browser.