black
#000000
#646E57
#646E57
Color Values
| Format | #000000 | #646E57 |
|---|---|---|
| HEX | #000000 | #646E57 |
| RGB | 0, 0, 0 | 100, 110, 87 |
| HSL | 0.0, 0.0%, 0.0% | 86.1, 11.7%, 38.6% |
| HSV | 0.0, 0.0%, 0.0% | 86.1, 20.9%, 43.1% |
| CMYK | 0%, 0%, 0%, 100% | 9.1%, 0.0%, 20.9%, 56.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5229 0.037 126.8 |
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: #646E57 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #646E57
Color Difference (Delta E)
47.22
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #646E57);
background: linear-gradient(135deg, #000000, #646E57);