black
#000000
#636C6F
#636C6F
Color Values
| Format | #000000 | #636C6F |
|---|---|---|
| HEX | #000000 | #636C6F |
| RGB | 0, 0, 0 | 99, 108, 111 |
| HSL | 0.0, 0.0%, 0.0% | 195.0, 5.7%, 41.2% |
| HSV | 0.0, 0.0%, 0.0% | 195.0, 10.8%, 43.5% |
| CMYK | 0%, 0%, 0%, 100% | 10.8%, 2.7%, 0.0%, 56.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5246 0.012 219.7 |
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: #636C6F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636C6F
Color Difference (Delta E)
45.15
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636C6F);
background: linear-gradient(135deg, #000000, #636C6F);