#331df0
a balanced, electric blue · warm · closest name: blue
RGB
51, 29, 240
HSL
246°, 88%, 53%
CMYK
79, 88, 0, 6
Luminance
0.0787
Every format
| HEX | #331df0 |
| RGB | rgb(51, 29, 240) |
| HSL | hsl(246, 88%, 53%) |
| CMYK | cmyk(79%, 88%, 0%, 6%) |
| LAB | lab(33.7 70.3 -97.0) |
| LCH | lch(33.7 119.8 305.9) |
| OKLCH | oklch(0.460 0.281 271.2) |
Copy-ready code
/* CSS */
color: #331df0;
background-color: #331df0;
/* Tailwind (arbitrary) */
class="text-[#331df0] bg-[#331df0]"
/* SCSS */
$brand: #331df0;
/* SwiftUI */
Color(red: 0.200, green: 0.114, blue: 0.941)
/* Android */
Color.parseColor("#331df0")Accessibility — WCAG contrast
Aa
#331df0 on white: 8.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331df0 on black: 2.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.4%
Blue94.1%
CMYK percentages
Cyan78.8%
Magenta87.9%
Yellow0.0%
Key (black)5.9%
Color previews
#331df0 text on a black background
contrast 2.57:1
Card sample
#331df0 text on a white background
contrast 8.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331df0;
Background color
Panel with #331df0 background
background-color: #331df0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331df0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 29, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 29, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331df0; background: linear-gradient(135deg, #331df0, #C01DF0);