black
#000000
#637577
#637577
Color Values
| Format | #000000 | #637577 |
|---|---|---|
| HEX | #000000 | #637577 |
| RGB | 0, 0, 0 | 99, 117, 119 |
| HSL | 0.0, 0.0%, 0.0% | 186.0, 9.2%, 42.7% |
| HSV | 0.0, 0.0%, 0.0% | 186.0, 16.8%, 46.7% |
| CMYK | 0%, 0%, 0%, 100% | 16.8%, 1.7%, 0.0%, 53.3% |
| OKLCH | 0.0 0.0 0.0 | 0.5484 0.0216 204.7 |
Contrast & Accessibility
4.34:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637577 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637577
Color Difference (Delta E)
48.4
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637577);
background: linear-gradient(135deg, #000000, #637577);