black
#000000
#428BF3
#428BF3
Color Values
| Format | #000000 | #428BF3 |
|---|---|---|
| HEX | #000000 | #428BF3 |
| RGB | 0, 0, 0 | 66, 139, 243 |
| HSL | 0.0, 0.0%, 0.0% | 215.3, 88.1%, 60.6% |
| HSV | 0.0, 0.0%, 0.0% | 215.3, 72.8%, 95.3% |
| CMYK | 0%, 0%, 0%, 100% | 72.8%, 42.8%, 0.0%, 4.7% |
| OKLCH | 0.0 0.0 0.0 | 0.6424 0.172 257.7 |
Contrast & Accessibility
6.22:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #428BF3 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #428BF3
Color Difference (Delta E)
83.48
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #428BF3);
background: linear-gradient(135deg, #000000, #428BF3);