black
#000000
#378BC9
#378BC9
Color Values
| Format | #000000 | #378BC9 |
|---|---|---|
| HEX | #000000 | #378BC9 |
| RGB | 0, 0, 0 | 55, 139, 201 |
| HSL | 0.0, 0.0%, 0.0% | 205.5, 57.5%, 50.2% |
| HSV | 0.0, 0.0%, 0.0% | 205.5, 72.6%, 78.8% |
| CMYK | 0%, 0%, 0%, 100% | 72.6%, 30.8%, 0.0%, 21.2% |
| OKLCH | 0.0 0.0 0.0 | 0.6143 0.1236 244.3 |
Contrast & Accessibility
5.7:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378BC9 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378BC9
Color Difference (Delta E)
68.24
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378BC9);
background: linear-gradient(135deg, #000000, #378BC9);