#331cd3
a balanced, electric blue · warm · closest name: blue
RGB
51, 28, 211
HSL
248°, 77%, 47%
CMYK
76, 87, 0, 17
Luminance
0.0624
Every format
| HEX | #331cd3 |
| RGB | rgb(51, 28, 211) |
| HSL | hsl(248, 77%, 47%) |
| CMYK | cmyk(76%, 87%, 0%, 17%) |
| LAB | lab(30.0 62.8 -86.5) |
| LCH | lch(30.0 107.0 306.0) |
| OKLCH | oklch(0.425 0.251 273.2) |
Copy-ready code
/* CSS */
color: #331cd3;
background-color: #331cd3;
/* Tailwind (arbitrary) */
class="text-[#331cd3] bg-[#331cd3]"
/* SCSS */
$brand: #331cd3;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.827)
/* Android */
Color.parseColor("#331cd3")Accessibility — WCAG contrast
Aa
#331cd3 on white: 9.34:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331cd3 on black: 2.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue82.7%
CMYK percentages
Cyan75.8%
Magenta86.7%
Yellow0.0%
Key (black)17.3%
Color previews
#331cd3 text on a black background
contrast 2.25:1
Card sample
#331cd3 text on a white background
contrast 9.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331cd3;
Background color
Panel with #331cd3 background
background-color: #331cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331cd3; background: linear-gradient(135deg, #331cd3, #AD1CD3);