black
#000000
#3F91E9
#3F91E9
Color Values
| Format | #000000 | #3F91E9 |
|---|---|---|
| HEX | #000000 | #3F91E9 |
| RGB | 0, 0, 0 | 63, 145, 233 |
| HSL | 0.0, 0.0%, 0.0% | 211.1, 79.4%, 58.0% |
| HSV | 0.0, 0.0%, 0.0% | 211.1, 73.0%, 91.4% |
| CMYK | 0%, 0%, 0%, 100% | 73.0%, 37.8%, 0.0%, 8.6% |
| OKLCH | 0.0 0.0 0.0 | 0.6483 0.154 252.7 |
Contrast & Accessibility
6.44:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #3F91E9 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #3F91E9
Color Difference (Delta E)
78.6
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #3F91E9);
background: linear-gradient(135deg, #000000, #3F91E9);