black
#000000
#397C51
#397C51
Color Values
| Format | #000000 | #397C51 |
|---|---|---|
| HEX | #000000 | #397C51 |
| RGB | 0, 0, 0 | 57, 124, 81 |
| HSL | 0.0, 0.0%, 0.0% | 141.5, 37.0%, 35.5% |
| HSV | 0.0, 0.0%, 0.0% | 141.5, 54.0%, 48.6% |
| CMYK | 0%, 0%, 0%, 100% | 54.0%, 0.0%, 34.7%, 51.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5305 0.0966 153.4 |
Contrast & Accessibility
4.18:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #397C51 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #397C51
Color Difference (Delta E)
59.12
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #397C51);
background: linear-gradient(135deg, #000000, #397C51);