#331bee
a balanced, electric blue · warm · closest name: blue
RGB
51, 27, 238
HSL
247°, 86%, 52%
CMYK
79, 89, 0, 7
Luminance
0.0766
Every format
| HEX | #331bee |
| RGB | rgb(51, 27, 238) |
| HSL | hsl(247, 86%, 52%) |
| CMYK | cmyk(79%, 89%, 0%, 7%) |
| LAB | lab(33.3 70.4 -96.6) |
| LCH | lch(33.3 119.5 306.1) |
| OKLCH | oklch(0.457 0.279 271.4) |
Copy-ready code
/* CSS */
color: #331bee;
background-color: #331bee;
/* Tailwind (arbitrary) */
class="text-[#331bee] bg-[#331bee]"
/* SCSS */
$brand: #331bee;
/* SwiftUI */
Color(red: 0.200, green: 0.106, blue: 0.933)
/* Android */
Color.parseColor("#331bee")Accessibility — WCAG contrast
Aa
#331bee on white: 8.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331bee on black: 2.53:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green10.6%
Blue93.3%
CMYK percentages
Cyan78.6%
Magenta88.7%
Yellow0.0%
Key (black)6.7%
Color previews
#331bee text on a black background
contrast 2.53:1
Card sample
#331bee text on a white background
contrast 8.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331bee;
Background color
Panel with #331bee background
background-color: #331bee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331bee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 27, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 27, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331bee; background: linear-gradient(135deg, #331bee, #C01BEE);