black
#000000
#378AE1
#378AE1
Color Values
| Format | #000000 | #378AE1 |
|---|---|---|
| HEX | #000000 | #378AE1 |
| RGB | 0, 0, 0 | 55, 138, 225 |
| HSL | 0.0, 0.0%, 0.0% | 210.7, 73.9%, 54.9% |
| HSV | 0.0, 0.0%, 0.0% | 210.7, 75.6%, 88.2% |
| CMYK | 0%, 0%, 0%, 100% | 75.6%, 38.7%, 0.0%, 11.8% |
| OKLCH | 0.0 0.0 0.0 | 0.6256 0.1536 252.5 |
Contrast & Accessibility
5.89:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378AE1 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378AE1
Color Difference (Delta E)
76.49
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378AE1);
background: linear-gradient(135deg, #000000, #378AE1);