#331d91
a dark, vivid blue · warm · closest name: indigo
RGB
51, 29, 145
HSL
251°, 67%, 34%
CMYK
65, 80, 0, 43
Luminance
0.0363
Every format
| HEX | #331d91 |
| RGB | rgb(51, 29, 145) |
| HSL | hsl(251, 67%, 34%) |
| CMYK | cmyk(65%, 80%, 0%, 43%) |
| LAB | lab(22.4 43.2 -59.6) |
| LCH | lch(22.4 73.7 305.9) |
| OKLCH | oklch(0.350 0.175 281.0) |
Copy-ready code
/* CSS */
color: #331d91;
background-color: #331d91;
/* Tailwind (arbitrary) */
class="text-[#331d91] bg-[#331d91]"
/* SCSS */
$brand: #331d91;
/* SwiftUI */
Color(red: 0.200, green: 0.114, blue: 0.569)
/* Android */
Color.parseColor("#331d91")Accessibility — WCAG contrast
Aa
#331d91 on white: 12.17:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331d91 on black: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.4%
Blue56.9%
CMYK percentages
Cyan64.8%
Magenta80.0%
Yellow0.0%
Key (black)43.1%
Color previews
#331d91 text on a black background
contrast 1.73:1
Card sample
#331d91 text on a white background
contrast 12.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331d91;
Background color
Panel with #331d91 background
background-color: #331d91;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331d91;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 29, 145, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 29, 145, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331d91; background: linear-gradient(135deg, #331d91, #801D91);