#3f3fe4
a balanced, electric blue · warm · closest name: slateblue
RGB
63, 63, 228
HSL
240°, 75%, 57%
CMYK
72, 72, 0, 11
Luminance
0.1021
Every format
| HEX | #3f3fe4 |
| RGB | rgb(63, 63, 228) |
| HSL | hsl(240, 75%, 57%) |
| CMYK | cmyk(72%, 72%, 0%, 11%) |
| LAB | lab(38.2 52.5 -82.7) |
| LCH | lch(38.2 98.0 302.4) |
| OKLCH | oklch(0.490 0.240 273.1) |
Copy-ready code
/* CSS */
color: #3f3fe4;
background-color: #3f3fe4;
/* Tailwind (arbitrary) */
class="text-[#3f3fe4] bg-[#3f3fe4]"
/* SCSS */
$brand: #3f3fe4;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.894)
/* Android */
Color.parseColor("#3f3fe4")Accessibility — WCAG contrast
Aa
#3f3fe4 on white: 6.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f3fe4 on black: 3.04:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue89.4%
CMYK percentages
Cyan72.4%
Magenta72.4%
Yellow0.0%
Key (black)10.6%
Color previews
#3f3fe4 text on a black background
contrast 3.04:1
Card sample
#3f3fe4 text on a white background
contrast 6.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fe4;
Background color
Panel with #3f3fe4 background
background-color: #3f3fe4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fe4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fe4; background: linear-gradient(135deg, #3f3fe4, #AD3FE4);