black
#000000
#636F77
#636F77
Color Values
| Format | #000000 | #636F77 |
|---|---|---|
| HEX | #000000 | #636F77 |
| RGB | 0, 0, 0 | 99, 111, 119 |
| HSL | 0.0, 0.0%, 0.0% | 204.0, 9.2%, 42.7% |
| HSV | 0.0, 0.0%, 0.0% | 204.0, 16.8%, 46.7% |
| CMYK | 0%, 0%, 0%, 100% | 16.8%, 6.7%, 0.0%, 53.3% |
| OKLCH | 0.0 0.0 0.0 | 0.5344 0.0192 237.0 |
Contrast & Accessibility
4.07:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #636F77 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636F77
Color Difference (Delta E)
46.57
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636F77);
background: linear-gradient(135deg, #000000, #636F77);