black
#000000
#378AAD
#378AAD
Color Values
| Format | #000000 | #378AAD |
|---|---|---|
| HEX | #000000 | #378AAD |
| RGB | 0, 0, 0 | 55, 138, 173 |
| HSL | 0.0, 0.0%, 0.0% | 197.8, 51.8%, 44.7% |
| HSV | 0.0, 0.0%, 0.0% | 197.8, 68.2%, 67.8% |
| CMYK | 0%, 0%, 0%, 100% | 68.2%, 20.2%, 0.0%, 32.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5979 0.0952 229.4 |
Contrast & Accessibility
5.4:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378AAD → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378AAD
Color Difference (Delta E)
61.4
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378AAD);
background: linear-gradient(135deg, #000000, #378AAD);