black
#000000
#21749B
#21749B
Color Values
| Format | #000000 | #21749B |
|---|---|---|
| HEX | #000000 | #21749B |
| RGB | 0, 0, 0 | 33, 116, 155 |
| HSL | 0.0, 0.0%, 0.0% | 199.2, 64.9%, 36.9% |
| HSV | 0.0, 0.0%, 0.0% | 199.2, 78.7%, 60.8% |
| CMYK | 0%, 0%, 0%, 100% | 78.7%, 25.2%, 0.0%, 39.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5287 0.0977 233.9 |
Contrast & Accessibility
4.04:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21749B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21749B
Color Difference (Delta E)
54.77
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21749B);
background: linear-gradient(135deg, #000000, #21749B);