#371bdf
a balanced, electric blue · warm · closest name: blue
RGB
55, 27, 223
HSL
249°, 78%, 49%
CMYK
75, 88, 0, 13
Luminance
0.0692
Every format
| HEX | #371bdf |
| RGB | rgb(55, 27, 223) |
| HSL | hsl(249, 78%, 49%) |
| CMYK | cmyk(75%, 88%, 0%, 13%) |
| LAB | lab(31.6 66.6 -90.8) |
| LCH | lch(31.6 112.6 306.3) |
| OKLCH | oklch(0.441 0.263 273.5) |
Copy-ready code
/* CSS */
color: #371bdf;
background-color: #371bdf;
/* Tailwind (arbitrary) */
class="text-[#371bdf] bg-[#371bdf]"
/* SCSS */
$brand: #371bdf;
/* SwiftUI */
Color(red: 0.216, green: 0.106, blue: 0.875)
/* Android */
Color.parseColor("#371bdf")Accessibility — WCAG contrast
Aa
#371bdf on white: 8.81:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#371bdf on black: 2.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green10.6%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta87.9%
Yellow0.0%
Key (black)12.5%
Color previews
#371bdf text on a black background
contrast 2.38:1
Card sample
#371bdf text on a white background
contrast 8.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #371bdf;
Background color
Panel with #371bdf background
background-color: #371bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #371bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 27, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 27, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #371bdf; background: linear-gradient(135deg, #371bdf, #BA1BDF);