black
#000000
#257ECB
#257ECB
Color Values
| Format | #000000 | #257ECB |
|---|---|---|
| HEX | #000000 | #257ECB |
| RGB | 0, 0, 0 | 37, 126, 203 |
| HSL | 0.0, 0.0%, 0.0% | 207.8, 69.2%, 47.1% |
| HSV | 0.0, 0.0%, 0.0% | 207.8, 81.8%, 79.6% |
| CMYK | 0%, 0%, 0%, 100% | 81.8%, 37.9%, 0.0%, 20.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5806 0.1435 249.5 |
Contrast & Accessibility
4.93:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257ECB → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257ECB
Color Difference (Delta E)
69.73
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257ECB);
background: linear-gradient(135deg, #000000, #257ECB);