black
#000000
#51656E
#51656E
Color Values
| Format | #000000 | #51656E |
|---|---|---|
| HEX | #000000 | #51656E |
| RGB | 0, 0, 0 | 81, 101, 110 |
| HSL | 0.0, 0.0%, 0.0% | 198.6, 15.2%, 37.5% |
| HSV | 0.0, 0.0%, 0.0% | 198.6, 26.4%, 43.1% |
| CMYK | 0%, 0%, 0%, 100% | 26.4%, 8.2%, 0.0%, 56.9% |
| OKLCH | 0.0 0.0 0.0 | 0.4937 0.0281 227.0 |
Contrast & Accessibility
3.44:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #51656E → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #51656E
Color Difference (Delta E)
42.5
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #51656E);
background: linear-gradient(135deg, #000000, #51656E);