Contrast, and the fix
Text colour
Background
Body text at this size
And the smaller size most interfaces actually use for paragraphs.
WCAG 2.1 contrast ratio
5.47:1
Passes AA for body text
The normative measure. It does not know which of the two is the text.
- ✓AA · body text 4.5:1
- ✓AA · large text 3:1
- ✕AAA · body text 7:1
- ✓Icons and borders 3:1
APCA lightness contrast
Lc 77.3
Clears Lc 75 — body text at a normal size and weight.
Positive: dark text on a lighter background.
And to someone who does not see all three cones
Contrast is a brightness question, so it survives colour vision deficiency — but two colours that differ only in hue do not. All three simulations.
by HueComb — computed in your browser