black
#000000
#378EEB
#378EEB
Color Values
| Format | #000000 | #378EEB |
|---|---|---|
| HEX | #000000 | #378EEB |
| RGB | 0, 0, 0 | 55, 142, 235 |
| HSL | 0.0, 0.0%, 0.0% | 211.0, 81.8%, 56.9% |
| HSV | 0.0, 0.0%, 0.0% | 211.0, 76.6%, 92.2% |
| CMYK | 0%, 0%, 0%, 100% | 76.6%, 39.6%, 0.0%, 7.8% |
| OKLCH | 0.0 0.0 0.0 | 0.6404 0.162 253.0 |
Contrast & Accessibility
6.23:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378EEB → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378EEB
Color Difference (Delta E)
79.75
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378EEB);
background: linear-gradient(135deg, #000000, #378EEB);