black
#000000
#397B9A
#397B9A
Color Values
| Format | #000000 | #397B9A |
|---|---|---|
| HEX | #000000 | #397B9A |
| RGB | 0, 0, 0 | 57, 123, 154 |
| HSL | 0.0, 0.0%, 0.0% | 199.2, 46.0%, 41.4% |
| HSV | 0.0, 0.0%, 0.0% | 199.2, 63.0%, 60.4% |
| CMYK | 0%, 0%, 0%, 100% | 63.0%, 20.1%, 0.0%, 39.6% |
| OKLCH | 0.0 0.0 0.0 | 0.5532 0.0823 231.2 |
Contrast & Accessibility
4.47:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #397B9A → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #397B9A
Color Difference (Delta E)
55.01
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #397B9A);
background: linear-gradient(135deg, #000000, #397B9A);