#331d8c
a dark, vivid blue · warm · closest name: indigo
RGB
51, 29, 140
HSL
252°, 66%, 33%
CMYK
64, 79, 0, 45
Luminance
0.0348
Every format
| HEX | #331d8c |
| RGB | rgb(51, 29, 140) |
| HSL | hsl(252, 66%, 33%) |
| CMYK | cmyk(64%, 79%, 0%, 45%) |
| LAB | lab(21.9 41.7 -57.4) |
| LCH | lch(21.9 71.0 306.0) |
| OKLCH | oklch(0.345 0.169 282.0) |
Copy-ready code
/* CSS */
color: #331d8c;
background-color: #331d8c;
/* Tailwind (arbitrary) */
class="text-[#331d8c] bg-[#331d8c]"
/* SCSS */
$brand: #331d8c;
/* SwiftUI */
Color(red: 0.200, green: 0.114, blue: 0.549)
/* Android */
Color.parseColor("#331d8c")Accessibility — WCAG contrast
Aa
#331d8c on white: 12.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331d8c on black: 1.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.4%
Blue54.9%
CMYK percentages
Cyan63.6%
Magenta79.3%
Yellow0.0%
Key (black)45.1%
Color previews
#331d8c text on a black background
contrast 1.70:1
Card sample
#331d8c text on a white background
contrast 12.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331d8c;
Background color
Panel with #331d8c background
background-color: #331d8c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331d8c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 29, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 29, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331d8c; background: linear-gradient(135deg, #331d8c, #7D1D8C);