#371dbb
a dark, vivid blue · warm · closest name: navy
RGB
55, 29, 187
HSL
250°, 73%, 42%
CMYK
71, 85, 0, 27
Luminance
0.0528
Every format
| HEX | #371dbb |
| RGB | rgb(55, 29, 187) |
| HSL | hsl(250, 73%, 42%) |
| CMYK | cmyk(71%, 85%, 0%, 27%) |
| LAB | lab(27.5 56.0 -76.6) |
| LCH | lch(27.5 94.9 306.2) |
| OKLCH | oklch(0.401 0.223 276.8) |
Copy-ready code
/* CSS */
color: #371dbb;
background-color: #371dbb;
/* Tailwind (arbitrary) */
class="text-[#371dbb] bg-[#371dbb]"
/* SCSS */
$brand: #371dbb;
/* SwiftUI */
Color(red: 0.216, green: 0.114, blue: 0.733)
/* Android */
Color.parseColor("#371dbb")Accessibility — WCAG contrast
Aa
#371dbb on white: 10.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#371dbb on black: 2.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green11.4%
Blue73.3%
CMYK percentages
Cyan70.6%
Magenta84.5%
Yellow0.0%
Key (black)26.7%
Color previews
#371dbb text on a black background
contrast 2.06:1
Card sample
#371dbb text on a white background
contrast 10.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #371dbb;
Background color
Panel with #371dbb background
background-color: #371dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #371dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 29, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 29, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #371dbb; background: linear-gradient(135deg, #371dbb, #A11DBB);