#331f8c
a dark, vivid blue · warm · closest name: indigo
RGB
51, 31, 140
HSL
251°, 64%, 34%
CMYK
64, 78, 0, 45
Luminance
0.0358
Every format
| HEX | #331f8c |
| RGB | rgb(51, 31, 140) |
| HSL | hsl(251, 64%, 34%) |
| CMYK | cmyk(64%, 78%, 0%, 45%) |
| LAB | lab(22.2 40.6 -56.8) |
| LCH | lch(22.2 69.9 305.6) |
| OKLCH | oklch(0.347 0.167 281.6) |
Copy-ready code
/* CSS */
color: #331f8c;
background-color: #331f8c;
/* Tailwind (arbitrary) */
class="text-[#331f8c] bg-[#331f8c]"
/* SCSS */
$brand: #331f8c;
/* SwiftUI */
Color(red: 0.200, green: 0.122, blue: 0.549)
/* Android */
Color.parseColor("#331f8c")Accessibility — WCAG contrast
Aa
#331f8c on white: 12.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331f8c on black: 1.72:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green12.2%
Blue54.9%
CMYK percentages
Cyan63.6%
Magenta77.9%
Yellow0.0%
Key (black)45.1%
Color previews
#331f8c text on a black background
contrast 1.72:1
Card sample
#331f8c text on a white background
contrast 12.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331f8c;
Background color
Panel with #331f8c background
background-color: #331f8c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331f8c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 31, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 31, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331f8c; background: linear-gradient(135deg, #331f8c, #7C1F8C);