black
#000000
#51708F
#51708F
Color Values
| Format | #000000 | #51708F |
|---|---|---|
| HEX | #000000 | #51708F |
| RGB | 0, 0, 0 | 81, 112, 143 |
| HSL | 0.0, 0.0%, 0.0% | 210.0, 27.7%, 43.9% |
| HSV | 0.0, 0.0%, 0.0% | 210.0, 43.4%, 56.1% |
| CMYK | 0%, 0%, 0%, 100% | 43.4%, 21.7%, 0.0%, 43.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5338 0.0608 249.0 |
Contrast & Accessibility
4.06:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #51708F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #51708F
Color Difference (Delta E)
50.47
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #51708F);
background: linear-gradient(135deg, #000000, #51708F);