black
#000000
#636C70
#636C70
Color Values
| Format | #000000 | #636C70 |
|---|---|---|
| HEX | #000000 | #636C70 |
| RGB | 0, 0, 0 | 99, 108, 112 |
| HSL | 0.0, 0.0%, 0.0% | 198.5, 6.2%, 41.4% |
| HSV | 0.0, 0.0%, 0.0% | 198.5, 11.6%, 43.9% |
| CMYK | 0%, 0%, 0%, 100% | 11.6%, 3.6%, 0.0%, 56.1% |
| OKLCH | 0.0 0.0 0.0 | 0.525 0.0127 226.2 |
Contrast & Accessibility
3.91:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #636C70 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636C70
Color Difference (Delta E)
45.21
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636C70);
background: linear-gradient(135deg, #000000, #636C70);