black
#000000
#378BD5
#378BD5
Color Values
| Format | #000000 | #378BD5 |
|---|---|---|
| HEX | #000000 | #378BD5 |
| RGB | 0, 0, 0 | 55, 139, 213 |
| HSL | 0.0, 0.0%, 0.0% | 208.1, 65.3%, 52.5% |
| HSV | 0.0, 0.0%, 0.0% | 208.1, 74.2%, 83.5% |
| CMYK | 0%, 0%, 0%, 100% | 74.2%, 34.7%, 0.0%, 16.5% |
| OKLCH | 0.0 0.0 0.0 | 0.6209 0.1378 248.7 |
Contrast & Accessibility
5.82:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378BD5 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378BD5
Color Difference (Delta E)
72.07
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378BD5);
background: linear-gradient(135deg, #000000, #378BD5);