black
#000000
#2171C3
#2171C3
Color Values
| Format | #000000 | #2171C3 |
|---|---|---|
| HEX | #000000 | #2171C3 |
| RGB | 0, 0, 0 | 33, 113, 195 |
| HSL | 0.0, 0.0%, 0.0% | 210.4, 71.1%, 44.7% |
| HSV | 0.0, 0.0%, 0.0% | 210.4, 83.1%, 76.5% |
| CMYK | 0%, 0%, 0%, 100% | 83.1%, 42.1%, 0.0%, 23.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5449 0.1481 253.0 |
Contrast & Accessibility
4.21:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #2171C3 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #2171C3
Color Difference (Delta E)
68.55
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #2171C3);
background: linear-gradient(135deg, #000000, #2171C3);