black
#000000
#646B73
#646B73
Color Values
| Format | #000000 | #646B73 |
|---|---|---|
| HEX | #000000 | #646B73 |
| RGB | 0, 0, 0 | 100, 107, 115 |
| HSL | 0.0, 0.0%, 0.0% | 212.0, 7.0%, 42.2% |
| HSV | 0.0, 0.0%, 0.0% | 212.0, 13.0%, 45.1% |
| CMYK | 0%, 0%, 0%, 100% | 13.0%, 7.0%, 0.0%, 54.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5245 0.0152 251.7 |
Contrast & Accessibility
3.89:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #646B73 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #646B73
Color Difference (Delta E)
45.22
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #646B73);
background: linear-gradient(135deg, #000000, #646B73);