black
#000000
#378ABD
#378ABD
Color Values
| Format | #000000 | #378ABD |
|---|---|---|
| HEX | #000000 | #378ABD |
| RGB | 0, 0, 0 | 55, 138, 189 |
| HSL | 0.0, 0.0%, 0.0% | 202.8, 54.9%, 47.8% |
| HSV | 0.0, 0.0%, 0.0% | 202.8, 70.9%, 74.1% |
| CMYK | 0%, 0%, 0%, 100% | 70.9%, 27.0%, 0.0%, 25.9% |
| OKLCH | 0.0 0.0 0.0 | 0.6057 0.1109 239.5 |
Contrast & Accessibility
5.53:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #378ABD → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #378ABD
Color Difference (Delta E)
64.87
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #378ABD);
background: linear-gradient(135deg, #000000, #378ABD);