#331cdb
a balanced, electric blue · warm · closest name: blue
RGB
51, 28, 219
HSL
247°, 77%, 48%
CMYK
77, 87, 0, 14
Luminance
0.0665
Every format
| HEX | #331cdb |
| RGB | rgb(51, 28, 219) |
| HSL | hsl(247, 77%, 48%) |
| CMYK | cmyk(77%, 87%, 0%, 14%) |
| LAB | lab(31.0 65.0 -89.5) |
| LCH | lch(31.0 110.6 306.0) |
| OKLCH | oklch(0.434 0.259 272.6) |
Copy-ready code
/* CSS */
color: #331cdb;
background-color: #331cdb;
/* Tailwind (arbitrary) */
class="text-[#331cdb] bg-[#331cdb]"
/* SCSS */
$brand: #331cdb;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.859)
/* Android */
Color.parseColor("#331cdb")Accessibility — WCAG contrast
Aa
#331cdb on white: 9.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331cdb on black: 2.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue85.9%
CMYK percentages
Cyan76.7%
Magenta87.2%
Yellow0.0%
Key (black)14.1%
Color previews
#331cdb text on a black background
contrast 2.33:1
Card sample
#331cdb text on a white background
contrast 9.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331cdb;
Background color
Panel with #331cdb background
background-color: #331cdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331cdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331cdb; background: linear-gradient(135deg, #331cdb, #B21CDB);