#331cfb
a balanced, electric blue · warm · closest name: blue
RGB
51, 28, 251
HSL
246°, 97%, 55%
CMYK
80, 89, 0, 2
Luminance
0.0850
Every format
| HEX | #331cfb |
| RGB | rgb(51, 28, 251) |
| HSL | hsl(246, 97%, 55%) |
| CMYK | cmyk(80%, 89%, 0%, 2%) |
| LAB | lab(35.0 73.5 -101.1) |
| LCH | lch(35.0 125.0 306.0) |
| OKLCH | oklch(0.473 0.292 270.6) |
Copy-ready code
/* CSS */
color: #331cfb;
background-color: #331cfb;
/* Tailwind (arbitrary) */
class="text-[#331cfb] bg-[#331cfb]"
/* SCSS */
$brand: #331cfb;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.984)
/* Android */
Color.parseColor("#331cfb")Accessibility — WCAG contrast
Aa
#331cfb on white: 7.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331cfb on black: 2.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue98.4%
CMYK percentages
Cyan79.7%
Magenta88.8%
Yellow0.0%
Key (black)1.6%
Color previews
#331cfb text on a black background
contrast 2.70:1
Card sample
#331cfb text on a white background
contrast 7.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331cfb;
Background color
Panel with #331cfb background
background-color: #331cfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331cfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331cfb; background: linear-gradient(135deg, #331cfb, #C81CFB);