black
#000000
#21588B
#21588B
Color Values
| Format | #000000 | #21588B |
|---|---|---|
| HEX | #000000 | #21588B |
| RGB | 0, 0, 0 | 33, 88, 139 |
| HSL | 0.0, 0.0%, 0.0% | 208.9, 61.6%, 33.7% |
| HSV | 0.0, 0.0%, 0.0% | 208.9, 76.3%, 54.5% |
| CMYK | 0%, 0%, 0%, 100% | 76.3%, 36.7%, 0.0%, 45.5% |
| OKLCH | 0.0 0.0 0.0 | 0.4503 0.1015 249.7 |
Contrast & Accessibility
2.83:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21588B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21588B
Color Difference (Delta E)
49.38
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21588B);
background: linear-gradient(135deg, #000000, #21588B);