black
#000000
#647B6B
#647B6B
Color Values
| Format | #000000 | #647B6B |
|---|---|---|
| HEX | #000000 | #647B6B |
| RGB | 0, 0, 0 | 100, 123, 107 |
| HSL | 0.0, 0.0%, 0.0% | 138.3, 10.3%, 43.7% |
| HSV | 0.0, 0.0%, 0.0% | 138.3, 18.7%, 48.2% |
| CMYK | 0%, 0%, 0%, 100% | 18.7%, 0.0%, 13.0%, 51.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5596 0.0364 154.7 |
Contrast & Accessibility
4.59:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #647B6B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #647B6B
Color Difference (Delta E)
51.17
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #647B6B);
background: linear-gradient(135deg, #000000, #647B6B);