black
#000000
#515C6C
#515C6C
Color Values
| Format | #000000 | #515C6C |
|---|---|---|
| HEX | #000000 | #515C6C |
| RGB | 0, 0, 0 | 81, 92, 108 |
| HSL | 0.0, 0.0%, 0.0% | 215.6, 14.3%, 37.1% |
| HSV | 0.0, 0.0%, 0.0% | 215.6, 25.0%, 42.4% |
| CMYK | 0%, 0%, 0%, 100% | 25.0%, 14.8%, 0.0%, 57.6% |
| OKLCH | 0.0 0.0 0.0 | 0.4713 0.0294 257.7 |
Contrast & Accessibility
3.1:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #515C6C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #515C6C
Color Difference (Delta E)
40.11
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #515C6C);
background: linear-gradient(135deg, #000000, #515C6C);