black
#000000
#378EBA
#378EBA
Color Values
| Format | #000000 | #378EBA |
|---|---|---|
| HEX | #000000 | #378EBA |
| RGB | 0, 0, 0 | 55, 142, 186 |
| HSL | 0.0, 0.0%, 0.0% | 200.2, 54.4%, 47.3% |
| HSV | 0.0, 0.0%, 0.0% | 200.2, 70.4%, 72.9% |
| CMYK | 0%, 0%, 0%, 100% | 70.4%, 23.7%, 0.0%, 27.1% |
| OKLCH | 0.0 0.0 0.0 | 0.6137 0.1054 234.4 |
Contrast & Accessibility
5.74:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378EBA → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378EBA
Color Difference (Delta E)
64.61
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378EBA);
background: linear-gradient(135deg, #000000, #378EBA);