black
#000000
#51687F
#51687F
Color Values
| Format | #000000 | #51687F |
|---|---|---|
| HEX | #000000 | #51687F |
| RGB | 0, 0, 0 | 81, 104, 127 |
| HSL | 0.0, 0.0%, 0.0% | 210.0, 22.1%, 40.8% |
| HSV | 0.0, 0.0%, 0.0% | 210.0, 36.2%, 49.8% |
| CMYK | 0%, 0%, 0%, 100% | 36.2%, 18.1%, 0.0%, 50.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5078 0.0459 248.7 |
Contrast & Accessibility
3.64:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #51687F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #51687F
Color Difference (Delta E)
45.82
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #51687F);
background: linear-gradient(135deg, #000000, #51687F);