black
#000000
#21307C
#21307C
Color Values
| Format | #000000 | #21307C |
|---|---|---|
| HEX | #000000 | #21307C |
| RGB | 0, 0, 0 | 33, 48, 124 |
| HSL | 0.0, 0.0%, 0.0% | 230.1, 58.0%, 30.8% |
| HSV | 0.0, 0.0%, 0.0% | 230.1, 73.4%, 48.6% |
| CMYK | 0%, 0%, 0%, 100% | 73.4%, 61.3%, 0.0%, 51.4% |
| OKLCH | 0.0 0.0 0.0 | 0.3473 0.1299 269.8 |
Contrast & Accessibility
1.78:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21307C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21307C
Color Difference (Delta E)
55.21
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21307C);
background: linear-gradient(135deg, #000000, #21307C);