black
#000000
#3F57B2
#3F57B2
Color Values
| Format | #000000 | #3F57B2 |
|---|---|---|
| HEX | #000000 | #3F57B2 |
| RGB | 0, 0, 0 | 63, 87, 178 |
| HSL | 0.0, 0.0%, 0.0% | 227.5, 47.7%, 47.3% |
| HSV | 0.0, 0.0%, 0.0% | 227.5, 64.6%, 69.8% |
| CMYK | 0%, 0%, 0%, 100% | 64.6%, 51.1%, 0.0%, 30.2% |
| OKLCH | 0.0 0.0 0.0 | 0.488 0.147 269.2 |
Contrast & Accessibility
3.22:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #3F57B2 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #3F57B2
Color Difference (Delta E)
68.06
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #3F57B2);
background: linear-gradient(135deg, #000000, #3F57B2);