black
#000000
#378ACD
#378ACD
Color Values
| Format | #000000 | #378ACD |
|---|---|---|
| HEX | #000000 | #378ACD |
| RGB | 0, 0, 0 | 55, 138, 205 |
| HSL | 0.0, 0.0%, 0.0% | 206.8, 60.0%, 51.0% |
| HSV | 0.0, 0.0%, 0.0% | 206.8, 73.2%, 80.4% |
| CMYK | 0%, 0%, 0%, 100% | 73.2%, 32.7%, 0.0%, 19.6% |
| OKLCH | 0.0 0.0 0.0 | 0.6142 0.1291 246.5 |
Contrast & Accessibility
5.68:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378ACD → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378ACD
Color Difference (Delta E)
69.48
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378ACD);
background: linear-gradient(135deg, #000000, #378ACD);