Red on Royal Blue — 1.21:1 Contrast (WCAG)
Red text (#FF0000) on a royal blue background (#4169E1) has a contrast ratio of 1.21:1 and fails WCAG AA for normal text. See the full AA/AAA matrix and accessible fixes.
The quick brown fox jumps over the lazy dog.
WCAG contrast results
Red text (#FF0000) on royal blue (#4169E1) has a contrast ratio of 1.21:1.
| Use | AA | AAA |
|---|---|---|
| Normal text | Fail (4.5:1) | Fail (7:1) |
| Large text | Fail (3:1) | Fail (4.5:1) |
| UI elements | Fail (3:1) | No separate AAA threshold |
Large text is at least 24px, or 18.66px when bold. UI results apply to relevant icons and component boundaries.
Explore these colors
Browse all contrast combinations · Understand WCAG AA and AAA