#331d9b
a dark, vivid blue · warm · closest name: navy
RGB
51, 29, 155
HSL
251°, 69%, 36%
CMYK
67, 81, 0, 39
Luminance
0.0395
Every format
| HEX | #331d9b |
| RGB | rgb(51, 29, 155) |
| HSL | hsl(251, 69%, 36%) |
| CMYK | cmyk(67%, 81%, 0%, 39%) |
| LAB | lab(23.5 46.3 -64.0) |
| LCH | lch(23.5 79.0 305.9) |
| OKLCH | oklch(0.361 0.187 279.4) |
Copy-ready code
/* CSS */
color: #331d9b;
background-color: #331d9b;
/* Tailwind (arbitrary) */
class="text-[#331d9b] bg-[#331d9b]"
/* SCSS */
$brand: #331d9b;
/* SwiftUI */
Color(red: 0.200, green: 0.114, blue: 0.608)
/* Android */
Color.parseColor("#331d9b")Accessibility — WCAG contrast
Aa
#331d9b on white: 11.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331d9b on black: 1.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.4%
Blue60.8%
CMYK percentages
Cyan67.1%
Magenta81.3%
Yellow0.0%
Key (black)39.2%
Color previews
#331d9b text on a black background
contrast 1.79:1
Card sample
#331d9b text on a white background
contrast 11.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331d9b;
Background color
Panel with #331d9b background
background-color: #331d9b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331d9b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 29, 155, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 29, 155, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331d9b; background: linear-gradient(135deg, #331d9b, #871D9B);