black
#000000
#630000
#630000
Color Values
| Format | #000000 | #630000 |
|---|---|---|
| HEX | #000000 | #630000 |
| RGB | 0, 0, 0 | 99, 0, 0 |
| HSL | 0.0, 0.0%, 0.0% | 0.0, 100.0%, 19.4% |
| HSV | 0.0, 0.0%, 0.0% | 0.0, 100.0%, 38.8% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 100.0%, 100.0%, 61.2% |
| OKLCH | 0.0 0.0 0.0 | 0.3138 0.1288 29.2 |
Contrast & Accessibility
1.53:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #630000 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #630000
Color Difference (Delta E)
52.6
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #630000);
background: linear-gradient(135deg, #000000, #630000);