#371cd3
a balanced, electric blue · warm · closest name: blue
RGB
55, 28, 211
HSL
249°, 77%, 47%
CMYK
74, 87, 0, 17
Luminance
0.0635
Every format
| HEX | #371cd3 |
| RGB | rgb(55, 28, 211) |
| HSL | hsl(249, 77%, 47%) |
| CMYK | cmyk(74%, 87%, 0%, 17%) |
| LAB | lab(30.3 63.0 -86.1) |
| LCH | lch(30.3 106.7 306.2) |
| OKLCH | oklch(0.427 0.250 274.4) |
Copy-ready code
/* CSS */
color: #371cd3;
background-color: #371cd3;
/* Tailwind (arbitrary) */
class="text-[#371cd3] bg-[#371cd3]"
/* SCSS */
$brand: #371cd3;
/* SwiftUI */
Color(red: 0.216, green: 0.110, blue: 0.827)
/* Android */
Color.parseColor("#371cd3")Accessibility — WCAG contrast
Aa
#371cd3 on white: 9.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#371cd3 on black: 2.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green11.0%
Blue82.7%
CMYK percentages
Cyan73.9%
Magenta86.7%
Yellow0.0%
Key (black)17.3%
Color previews
#371cd3 text on a black background
contrast 2.27:1
Card sample
#371cd3 text on a white background
contrast 9.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #371cd3;
Background color
Panel with #371cd3 background
background-color: #371cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #371cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 28, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 28, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #371cd3; background: linear-gradient(135deg, #371cd3, #B11CD3);