black
#000000
#3F578F
#3F578F
Color Values
| Format | #000000 | #3F578F |
|---|---|---|
| HEX | #000000 | #3F578F |
| RGB | 0, 0, 0 | 63, 87, 143 |
| HSL | 0.0, 0.0%, 0.0% | 222.0, 38.8%, 40.4% |
| HSV | 0.0, 0.0%, 0.0% | 222.0, 55.9%, 56.1% |
| CMYK | 0%, 0%, 0%, 100% | 55.9%, 39.2%, 0.0%, 43.9% |
| OKLCH | 0.0 0.0 0.0 | 0.4647 0.096 265.3 |
Contrast & Accessibility
2.97:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #3F578F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #3F578F
Color Difference (Delta E)
51.21
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #3F578F);
background: linear-gradient(135deg, #000000, #3F578F);