Contrast

APCA perceptual contrast — WCAG 3.0 readability

Foreground

Background

Font Size: 16px

Font Weight: 400

The quick brown fox jumps over the lazy dog

Lc 74.1 dark-bg FAIL min Lc 75 at 16px/400

400700

14px FAILFAIL

16px FAILPASS

18px PASSPASS

24px PASSPASS

CSS

/* dk contrast #ffffff #2563eb --size=16 --weight=400 */
/* APCA Lc: -74.1 (dark-bg) */
/* FAIL (Lc 74.1 < 75) */