black
#000000
#515B66
#515B66
Color Values
| Format | #000000 | #515B66 |
|---|---|---|
| HEX | #000000 | #515B66 |
| RGB | 0, 0, 0 | 81, 91, 102 |
| HSL | 0.0, 0.0%, 0.0% | 211.4, 11.5%, 35.9% |
| HSV | 0.0, 0.0%, 0.0% | 211.4, 20.6%, 40.0% |
| CMYK | 0%, 0%, 0%, 100% | 20.6%, 10.8%, 0.0%, 60.0% |
| OKLCH | 0.0 0.0 0.0 | 0.4666 0.0218 250.8 |
Contrast & Accessibility
3.04:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #515B66 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #515B66
Color Difference (Delta E)
38.95
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #515B66);
background: linear-gradient(135deg, #000000, #515B66);