#331ceb
a balanced, electric blue · warm · closest name: blue
RGB
51, 28, 235
HSL
247°, 84%, 52%
CMYK
78, 88, 0, 8
Luminance
0.0753
Every format
| HEX | #331ceb |
| RGB | rgb(51, 28, 235) |
| HSL | hsl(247, 84%, 52%) |
| CMYK | cmyk(78%, 88%, 0%, 8%) |
| LAB | lab(33.0 69.3 -95.4) |
| LCH | lch(33.0 117.9 306.0) |
| OKLCH | oklch(0.454 0.276 271.5) |
Copy-ready code
/* CSS */
color: #331ceb;
background-color: #331ceb;
/* Tailwind (arbitrary) */
class="text-[#331ceb] bg-[#331ceb]"
/* SCSS */
$brand: #331ceb;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.922)
/* Android */
Color.parseColor("#331ceb")Accessibility — WCAG contrast
Aa
#331ceb on white: 8.38:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331ceb on black: 2.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue92.2%
CMYK percentages
Cyan78.3%
Magenta88.1%
Yellow0.0%
Key (black)7.8%
Color previews
#331ceb text on a black background
contrast 2.51:1
Card sample
#331ceb text on a white background
contrast 8.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331ceb;
Background color
Panel with #331ceb background
background-color: #331ceb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331ceb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331ceb; background: linear-gradient(135deg, #331ceb, #BD1CEB);