Contrast Checker

Check if your color combinations meet WCAG accessibility guidelines

Preview Text

Contrast Ratio: 21:1
Small Text (AA):
Large Text (AA):
Small Text (AAA):
Large Text (AAA):

WCAG Guidelines

Level AA Requirements

  • Small Text (less than 18pt): 4.5:1
  • Large Text (18pt or larger): 3:1

Level AAA Requirements

  • Small Text (less than 18pt): 7:1
  • Large Text (18pt or larger): 4.5:1