black
#000000
#257ECA
#257ECA
Color Values
| Format | #000000 | #257ECA |
|---|---|---|
| HEX | #000000 | #257ECA |
| RGB | 0, 0, 0 | 37, 126, 202 |
| HSL | 0.0, 0.0%, 0.0% | 207.6, 69.0%, 46.9% |
| HSV | 0.0, 0.0%, 0.0% | 207.6, 81.7%, 79.2% |
| CMYK | 0%, 0%, 0%, 100% | 81.7%, 37.6%, 0.0%, 20.8% |
| OKLCH | 0.0 0.0 0.0 | 0.58 0.1423 249.2 |
Contrast & Accessibility
4.92:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257ECA → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257ECA
Color Difference (Delta E)
69.36
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257ECA);
background: linear-gradient(135deg, #000000, #257ECA);