#331fef
a balanced, electric blue · warm · closest name: blue
RGB
51, 31, 239
HSL
246°, 87%, 53%
CMYK
79, 87, 0, 6
Luminance
0.0792
Every format
| HEX | #331fef |
| RGB | rgb(51, 31, 239) |
| HSL | hsl(246, 87%, 53%) |
| CMYK | cmyk(79%, 87%, 0%, 6%) |
| LAB | lab(33.8 69.4 -96.3) |
| LCH | lch(33.8 118.7 305.8) |
| OKLCH | oklch(0.461 0.278 271.2) |
Copy-ready code
/* CSS */
color: #331fef;
background-color: #331fef;
/* Tailwind (arbitrary) */
class="text-[#331fef] bg-[#331fef]"
/* SCSS */
$brand: #331fef;
/* SwiftUI */
Color(red: 0.200, green: 0.122, blue: 0.937)
/* Android */
Color.parseColor("#331fef")Accessibility — WCAG contrast
Aa
#331fef on white: 8.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331fef on black: 2.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green12.2%
Blue93.7%
CMYK percentages
Cyan78.7%
Magenta87.0%
Yellow0.0%
Key (black)6.3%
Color previews
#331fef text on a black background
contrast 2.58:1
Card sample
#331fef text on a white background
contrast 8.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331fef;
Background color
Panel with #331fef background
background-color: #331fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 31, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 31, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331fef; background: linear-gradient(135deg, #331fef, #BE1FEF);