black
#000000
#636864
#636864
Color Values
| Format | #000000 | #636864 |
|---|---|---|
| HEX | #000000 | #636864 |
| RGB | 0, 0, 0 | 99, 104, 100 |
| HSL | 0.0, 0.0%, 0.0% | 132.0, 2.5%, 39.8% |
| HSV | 0.0, 0.0%, 0.0% | 132.0, 4.8%, 40.8% |
| CMYK | 0%, 0%, 0%, 100% | 4.8%, 0.0%, 3.8%, 59.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5116 0.0087 151.7 |
Contrast & Accessibility
3.69:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #636864 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636864
Color Difference (Delta E)
43.59
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636864);
background: linear-gradient(135deg, #000000, #636864);