#3f4eb4
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 78, 180
HSL
232°, 48%, 48%
CMYK
65, 57, 0, 29
Luminance
0.0980
Every format
| HEX | #3f4eb4 |
| RGB | rgb(63, 78, 180) |
| HSL | hsl(232, 48%, 48%) |
| CMYK | cmyk(65%, 57%, 0%, 29%) |
| LAB | lab(37.5 27.2 -56.1) |
| LCH | lch(37.5 62.3 295.8) |
| OKLCH | oklch(0.472 0.161 272.3) |
Copy-ready code
/* CSS */
color: #3f4eb4;
background-color: #3f4eb4;
/* Tailwind (arbitrary) */
class="text-[#3f4eb4] bg-[#3f4eb4]"
/* SCSS */
$brand: #3f4eb4;
/* SwiftUI */
Color(red: 0.247, green: 0.306, blue: 0.706)
/* Android */
Color.parseColor("#3f4eb4")Accessibility — WCAG contrast
Aa
#3f4eb4 on white: 7.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f4eb4 on black: 2.96:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green30.6%
Blue70.6%
CMYK percentages
Cyan65.0%
Magenta56.7%
Yellow0.0%
Key (black)29.4%
Color previews
#3f4eb4 text on a black background
contrast 2.96:1
Card sample
#3f4eb4 text on a white background
contrast 7.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4eb4;
Background color
Panel with #3f4eb4 background
background-color: #3f4eb4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4eb4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 78, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 78, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4eb4; background: linear-gradient(135deg, #3f4eb4, #7E3FB4);