black
#000000
#428BC5
#428BC5
Color Values
| Format | #000000 | #428BC5 |
|---|---|---|
| HEX | #000000 | #428BC5 |
| RGB | 0, 0, 0 | 66, 139, 197 |
| HSL | 0.0, 0.0%, 0.0% | 206.6, 53.0%, 51.6% |
| HSV | 0.0, 0.0%, 0.0% | 206.6, 66.5%, 77.3% |
| CMYK | 0%, 0%, 0%, 100% | 66.5%, 29.4%, 0.0%, 22.7% |
| OKLCH | 0.0 0.0 0.0 | 0.616 0.1144 245.2 |
Contrast & Accessibility
5.73:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #428BC5 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #428BC5
Color Difference (Delta E)
66.92
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #428BC5);
background: linear-gradient(135deg, #000000, #428BC5);