#331cb5
a dark, vivid blue · warm · closest name: navy
RGB
51, 28, 181
HSL
249°, 73%, 41%
CMYK
72, 85, 0, 29
Luminance
0.0487
Every format
| HEX | #331cb5 |
| RGB | rgb(51, 28, 181) |
| HSL | hsl(249, 73%, 41%) |
| CMYK | cmyk(72%, 85%, 0%, 29%) |
| LAB | lab(26.4 54.4 -75.0) |
| LCH | lch(26.4 92.6 306.0) |
| OKLCH | oklch(0.390 0.218 276.1) |
Copy-ready code
/* CSS */
color: #331cb5;
background-color: #331cb5;
/* Tailwind (arbitrary) */
class="text-[#331cb5] bg-[#331cb5]"
/* SCSS */
$brand: #331cb5;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.710)
/* Android */
Color.parseColor("#331cb5")Accessibility — WCAG contrast
Aa
#331cb5 on white: 10.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331cb5 on black: 1.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue71.0%
CMYK percentages
Cyan71.8%
Magenta84.5%
Yellow0.0%
Key (black)29.0%
Color previews
#331cb5 text on a black background
contrast 1.97:1
Card sample
#331cb5 text on a white background
contrast 10.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331cb5;
Background color
Panel with #331cb5 background
background-color: #331cb5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331cb5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 181, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 181, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331cb5; background: linear-gradient(135deg, #331cb5, #991CB5);