black
#000000
#3666B3
#3666B3
Color Values
| Format | #000000 | #3666B3 |
|---|---|---|
| HEX | #000000 | #3666B3 |
| RGB | 0, 0, 0 | 54, 102, 179 |
| HSL | 0.0, 0.0%, 0.0% | 217.0, 53.6%, 45.7% |
| HSV | 0.0, 0.0%, 0.0% | 217.0, 69.8%, 70.2% |
| CMYK | 0%, 0%, 0%, 100% | 69.8%, 43.0%, 0.0%, 29.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5165 0.1328 259.5 |
Contrast & Accessibility
3.71:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #3666B3 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #3666B3
Color Difference (Delta E)
63.91
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #3666B3);
background: linear-gradient(135deg, #000000, #3666B3);