black
#000000
#57717B
#57717B
Color Values
| Format | #000000 | #57717B |
|---|---|---|
| HEX | #000000 | #57717B |
| RGB | 0, 0, 0 | 87, 113, 123 |
| HSL | 0.0, 0.0%, 0.0% | 196.7, 17.1%, 41.2% |
| HSV | 0.0, 0.0%, 0.0% | 196.7, 29.3%, 48.2% |
| CMYK | 0%, 0%, 0%, 100% | 29.3%, 8.1%, 0.0%, 51.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5317 0.0342 223.4 |
Contrast & Accessibility
4.05:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #57717B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #57717B
Color Difference (Delta E)
47.31
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #57717B);
background: linear-gradient(135deg, #000000, #57717B);