Contrast Checker
WCAG 2.1 contrast for text, large text and UI components — with automatic fixes.
5.25 : 1
The quick brown fox
Large text · 18.66px bold or 24px regular
Normal text — body copy and controls
AA normal ✓AA large ✓AA UI 3:1 ✓AAA normal ✗AAA large ✓
AA: ≥4.5 normal, ≥3 large/UI. AAA: ≥7 normal, ≥4.5 large.
APCA (additional signal)
Accessible Perceptual Contrast Algorithm — bronze reference ≈75.
-38 Lc
Poor
APCA is shown as a secondary perceptual signal — WCAG 2.1 ratio remains the compliance metric for accessibility conformance.
Suggested fixes
The closest shades of your text color that pass the target.
#FF5E5E · 7.01:1
Passes AAA normal text
#FFFFFF · 21.00:1
Best text color on this background
✓ This combination already passes AA — no fix needed.
Palette matrix
Paste a palette (comma or space separated) to see every text/background pairing at once.