black
#000000
#397B9C
#397B9C
Color Values
| Format | #000000 | #397B9C |
|---|---|---|
| HEX | #000000 | #397B9C |
| RGB | 0, 0, 0 | 57, 123, 156 |
| HSL | 0.0, 0.0%, 0.0% | 200.0, 46.5%, 41.8% |
| HSV | 0.0, 0.0%, 0.0% | 200.0, 63.5%, 61.2% |
| CMYK | 0%, 0%, 0%, 100% | 63.5%, 21.2%, 0.0%, 38.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5541 0.0842 232.9 |
Contrast & Accessibility
4.49:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #397B9C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #397B9C
Color Difference (Delta E)
55.39
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #397B9C);
background: linear-gradient(135deg, #000000, #397B9C);