black
#000000
#397B9D
#397B9D
Color Values
| Format | #000000 | #397B9D |
|---|---|---|
| HEX | #000000 | #397B9D |
| RGB | 0, 0, 0 | 57, 123, 157 |
| HSL | 0.0, 0.0%, 0.0% | 200.4, 46.7%, 42.0% |
| HSV | 0.0, 0.0%, 0.0% | 200.4, 63.7%, 61.6% |
| CMYK | 0%, 0%, 0%, 100% | 63.7%, 21.7%, 0.0%, 38.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5546 0.0852 233.7 |
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: #397B9D → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #397B9D
Color Difference (Delta E)
55.6
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #397B9D);
background: linear-gradient(135deg, #000000, #397B9D);