Contrast Checker

Check color pairs against WCAG AA and AAA directly in your browser.

Local processingProcessed locally in your browser

Readable by design.Preview normal text at 16 pixels.Preview large text at 24 pixels.
Contrast ratio16.24:1
  • PassAA normal text
  • PassAA large text
  • PassAAA normal text
  • PassAAA large text

Good for

Check text and background pairs before using them in a website or interface.

Limits

WCAG ratios require opaque colors. Semi-transparent colors must be composited before checking.