#331feb
a balanced, electric blue · warm · closest name: blue
RGB
51, 31, 235
HSL
246°, 84%, 52%
CMYK
78, 87, 0, 8
Luminance
0.0768
Every format
| HEX | #331feb |
| RGB | rgb(51, 31, 235) |
| HSL | hsl(246, 84%, 52%) |
| CMYK | cmyk(78%, 87%, 0%, 8%) |
| LAB | lab(33.3 68.3 -94.8) |
| LCH | lch(33.3 116.9 305.8) |
| OKLCH | oklch(0.456 0.274 271.5) |
Copy-ready code
/* CSS */
color: #331feb;
background-color: #331feb;
/* Tailwind (arbitrary) */
class="text-[#331feb] bg-[#331feb]"
/* SCSS */
$brand: #331feb;
/* SwiftUI */
Color(red: 0.200, green: 0.122, blue: 0.922)
/* Android */
Color.parseColor("#331feb")Accessibility — WCAG contrast
Aa
#331feb on white: 8.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331feb on black: 2.54:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green12.2%
Blue92.2%
CMYK percentages
Cyan78.3%
Magenta86.8%
Yellow0.0%
Key (black)7.8%
Color previews
#331feb text on a black background
contrast 2.54:1
Card sample
#331feb text on a white background
contrast 8.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331feb;
Background color
Panel with #331feb background
background-color: #331feb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331feb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 31, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 31, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331feb; background: linear-gradient(135deg, #331feb, #BB1FEB);