#331cd8
a balanced, electric blue · warm · closest name: blue
RGB
51, 28, 216
HSL
247°, 77%, 48%
CMYK
76, 87, 0, 15
Luminance
0.0649
Every format
| HEX | #331cd8 |
| RGB | rgb(51, 28, 216) |
| HSL | hsl(247, 77%, 48%) |
| CMYK | cmyk(76%, 87%, 0%, 15%) |
| LAB | lab(30.6 64.2 -88.4) |
| LCH | lch(30.6 109.3 306.0) |
| OKLCH | oklch(0.431 0.256 272.8) |
Copy-ready code
/* CSS */
color: #331cd8;
background-color: #331cd8;
/* Tailwind (arbitrary) */
class="text-[#331cd8] bg-[#331cd8]"
/* SCSS */
$brand: #331cd8;
/* SwiftUI */
Color(red: 0.200, green: 0.110, blue: 0.847)
/* Android */
Color.parseColor("#331cd8")Accessibility — WCAG contrast
Aa
#331cd8 on white: 9.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331cd8 on black: 2.30:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.0%
Blue84.7%
CMYK percentages
Cyan76.4%
Magenta87.0%
Yellow0.0%
Key (black)15.3%
Color previews
#331cd8 text on a black background
contrast 2.30:1
Card sample
#331cd8 text on a white background
contrast 9.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331cd8;
Background color
Panel with #331cd8 background
background-color: #331cd8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331cd8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 28, 216, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 28, 216, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331cd8; background: linear-gradient(135deg, #331cd8, #B01CD8);