black
#000000
#21399B
#21399B
Color Values
| Format | #000000 | #21399B |
|---|---|---|
| HEX | #000000 | #21399B |
| RGB | 0, 0, 0 | 33, 57, 155 |
| HSL | 0.0, 0.0%, 0.0% | 228.2, 64.9%, 36.9% |
| HSV | 0.0, 0.0%, 0.0% | 228.2, 78.7%, 60.8% |
| CMYK | 0%, 0%, 0%, 100% | 78.7%, 63.2%, 0.0%, 39.2% |
| OKLCH | 0.0 0.0 0.0 | 0.3936 0.1619 267.5 |
Contrast & Accessibility
2.12:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21399B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21399B
Color Difference (Delta E)
68.57
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21399B);
background: linear-gradient(135deg, #000000, #21399B);