#331bcf
a balanced, electric blue · warm · closest name: blue
RGB
51, 27, 207
HSL
248°, 77%, 46%
CMYK
75, 87, 0, 19
Luminance
0.0599
Every format
| HEX | #331bcf |
| RGB | rgb(51, 27, 207) |
| HSL | hsl(248, 77%, 46%) |
| CMYK | cmyk(75%, 87%, 0%, 19%) |
| LAB | lab(29.4 62.1 -85.2) |
| LCH | lch(29.4 105.4 306.1) |
| OKLCH | oklch(0.419 0.247 273.6) |
Copy-ready code
/* CSS */
color: #331bcf;
background-color: #331bcf;
/* Tailwind (arbitrary) */
class="text-[#331bcf] bg-[#331bcf]"
/* SCSS */
$brand: #331bcf;
/* SwiftUI */
Color(red: 0.200, green: 0.106, blue: 0.812)
/* Android */
Color.parseColor("#331bcf")Accessibility — WCAG contrast
Aa
#331bcf on white: 9.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331bcf on black: 2.20:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green10.6%
Blue81.2%
CMYK percentages
Cyan75.4%
Magenta87.0%
Yellow0.0%
Key (black)18.8%
Color previews
#331bcf text on a black background
contrast 2.20:1
Card sample
#331bcf text on a white background
contrast 9.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331bcf;
Background color
Panel with #331bcf background
background-color: #331bcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331bcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 27, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 27, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331bcf; background: linear-gradient(135deg, #331bcf, #AB1BCF);