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#FFFFFF on #64748B
Is this text readable on this background?

Large heading

Body text at 16px. Readable text helps everyone, including people with low vision and anyone reading a screen in bright sunlight.

Small print at 12px is the hardest to read.

Results

WCAG 2.2 ratio4.76:1
APCA contrastLc -78Body text
  • Body text · AA4.5:1Pass
  • Large text · AA3:1Pass
  • Icons and borders · AA3:1Pass
  • Body text · AAA7:1Fail
  • Large text · AAA4.5:1Pass

Large text is 24px, or 18.5px bold. APCA is the newer method planned for WCAG 3; a negative Lc means light text on a dark background.

Make it pass

Already passes this target.

  • Change the textNo change needed· 4.76:1
  • Change the backgroundNo change needed· 4.76:1

Contrast 4.76 to 1, passes AA for body text