Contrast

Pick a background; only text colours with enough contrast stay selectable.

WCAG level

Click or drag in the bright region — or focus the field and use arrow keys (Shift for bigger steps).

Sample heading

The quick brown fox jumps over the lazy dog — this is how body text reads at your chosen colours.

Small print, captions, and fine detail render at this size.

21.00:1
✓ AA large 3:1 ✓ AA 4.5:1 ✓ AAA 7:1
Background #ffffff
Text #1a1a1a

Contrast thresholds per WCAG 2.2 §1.4.3, computed from relative luminance.