black
#000000
#900303
#900303
Color Values
| Format | #000000 | #900303 |
|---|---|---|
| HEX | #000000 | #900303 |
| RGB | 0, 0, 0 | 144, 3, 3 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 95.9%, 28.8% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 97.9%, 56.5% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 97.9%, 97.9%, 43.5% |
| OKLCH | 0.0 0.0 0.0 | 0.4117 0.1669 29.0 |
Contrast & Accessibility
2.2:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #900303 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #900303
Color Difference (Delta E)
72.74
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #900303);
background: linear-gradient(135deg, #000000, #900303);