black
#000000
#257ECD
#257ECD
Color Values
| Format | #000000 | #257ECD |
|---|---|---|
| HEX | #000000 | #257ECD |
| RGB | 0, 0, 0 | 37, 126, 205 |
| HSL | 0.0, 0.0%, 0.0% | 208.2, 69.4%, 47.5% |
| HSV | 0.0, 0.0%, 0.0% | 208.2, 82.0%, 80.4% |
| CMYK | 0%, 0%, 0%, 100% | 82.0%, 38.5%, 0.0%, 19.6% |
| OKLCH | 0.0 0.0 0.0 | 0.5818 0.146 250.0 |
Contrast & Accessibility
4.94:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257ECD → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257ECD
Color Difference (Delta E)
70.49
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257ECD);
background: linear-gradient(135deg, #000000, #257ECD);