black
#000000
#3978B1
#3978B1
Color Values
| Format | #000000 | #3978B1 |
|---|---|---|
| HEX | #000000 | #3978B1 |
| RGB | 0, 0, 0 | 57, 120, 177 |
| HSL | 0.0, 0.0%, 0.0% | 208.5, 51.3%, 45.9% |
| HSV | 0.0, 0.0%, 0.0% | 208.5, 67.8%, 69.4% |
| CMYK | 0%, 0%, 0%, 100% | 67.8%, 32.2%, 0.0%, 30.6% |
| OKLCH | 0.0 0.0 0.0 | 0.5577 0.1101 248.4 |
Contrast & Accessibility
4.5:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #3978B1 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #3978B1
Color Difference (Delta E)
60.8
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #3978B1);
background: linear-gradient(135deg, #000000, #3978B1);