black
#000000
#636C78
#636C78
Color Values
| Format | #000000 | #636C78 |
|---|---|---|
| HEX | #000000 | #636C78 |
| RGB | 0, 0, 0 | 99, 108, 120 |
| HSL | 0.0, 0.0%, 0.0% | 214.3, 9.6%, 42.9% |
| HSV | 0.0, 0.0%, 0.0% | 214.3, 17.5%, 47.1% |
| CMYK | 0%, 0%, 0%, 100% | 17.5%, 10.0%, 0.0%, 52.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5279 0.0219 255.6 |
Contrast & Accessibility
3.95:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #636C78 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636C78
Color Difference (Delta E)
45.95
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636C78);
background: linear-gradient(135deg, #000000, #636C78);