black
#000000
#257E8B
#257E8B
Color Values
| Format | #000000 | #257E8B |
|---|---|---|
| HEX | #000000 | #257E8B |
| RGB | 0, 0, 0 | 37, 126, 139 |
| HSL | 0.0, 0.0%, 0.0% | 187.6, 58.0%, 34.5% |
| HSV | 0.0, 0.0%, 0.0% | 187.6, 73.4%, 54.5% |
| CMYK | 0%, 0%, 0%, 100% | 73.4%, 9.4%, 0.0%, 45.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5477 0.0831 209.2 |
Contrast & Accessibility
4.44:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257E8B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257E8B
Color Difference (Delta E)
54.84
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257E8B);
background: linear-gradient(135deg, #000000, #257E8B);