black
#000000
#378CB5
#378CB5
Color Values
| Format | #000000 | #378CB5 |
|---|---|---|
| HEX | #000000 | #378CB5 |
| RGB | 0, 0, 0 | 55, 140, 181 |
| HSL | 0.0, 0.0%, 0.0% | 199.5, 53.4%, 46.3% |
| HSV | 0.0, 0.0%, 0.0% | 199.5, 69.6%, 71.0% |
| CMYK | 0%, 0%, 0%, 100% | 69.6%, 22.7%, 0.0%, 29.0% |
| OKLCH | 0.0 0.0 0.0 | 0.6065 0.1016 233.0 |
Contrast & Accessibility
5.58:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378CB5 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378CB5
Color Difference (Delta E)
63.27
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378CB5);
background: linear-gradient(135deg, #000000, #378CB5);