black
#000000
#257E9B
#257E9B
Color Values
| Format | #000000 | #257E9B |
|---|---|---|
| HEX | #000000 | #257E9B |
| RGB | 0, 0, 0 | 37, 126, 155 |
| HSL | 0.0, 0.0%, 0.0% | 194.7, 61.5%, 37.6% |
| HSV | 0.0, 0.0%, 0.0% | 194.7, 76.1%, 60.8% |
| CMYK | 0%, 0%, 0%, 100% | 76.1%, 18.7%, 0.0%, 39.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5547 0.0921 224.4 |
Contrast & Accessibility
4.54:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257E9B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257E9B
Color Difference (Delta E)
56.46
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257E9B);
background: linear-gradient(135deg, #000000, #257E9B);