black
#000000
#51515B
#51515B
Color Values
| Format | #000000 | #51515B |
|---|---|---|
| HEX | #000000 | #51515B |
| RGB | 0, 0, 0 | 81, 81, 91 |
| HSL | 0.0, 0.0%, 0.0% | 240.0, 5.8%, 33.7% |
| HSV | 0.0, 0.0%, 0.0% | 240.0, 11.0%, 35.7% |
| CMYK | 0%, 0%, 0%, 100% | 11.0%, 11.0%, 0.0%, 64.3% |
| OKLCH | 0.0 0.0 0.0 | 0.4386 0.0163 285.7 |
Contrast & Accessibility
2.68:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #51515B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #51515B
Color Difference (Delta E)
35.34
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #51515B);
background: linear-gradient(135deg, #000000, #51515B);