#3f39cd
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 57, 205
HSL
242°, 60%, 51%
CMYK
69, 72, 0, 20
Luminance
0.0839
Every format
| HEX | #3f39cd |
| RGB | rgb(63, 57, 205) |
| HSL | hsl(242, 60%, 51%) |
| CMYK | cmyk(69%, 72%, 0%, 20%) |
| LAB | lab(34.8 48.5 -75.1) |
| LCH | lch(34.8 89.4 302.8) |
| OKLCH | oklch(0.458 0.218 275.3) |
Copy-ready code
/* CSS */
color: #3f39cd;
background-color: #3f39cd;
/* Tailwind (arbitrary) */
class="text-[#3f39cd] bg-[#3f39cd]"
/* SCSS */
$brand: #3f39cd;
/* SwiftUI */
Color(red: 0.247, green: 0.224, blue: 0.804)
/* Android */
Color.parseColor("#3f39cd")Accessibility — WCAG contrast
Aa
#3f39cd on white: 7.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f39cd on black: 2.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green22.4%
Blue80.4%
CMYK percentages
Cyan69.3%
Magenta72.2%
Yellow0.0%
Key (black)19.6%
Color previews
#3f39cd text on a black background
contrast 2.68:1
Card sample
#3f39cd text on a white background
contrast 7.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f39cd;
Background color
Panel with #3f39cd background
background-color: #3f39cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f39cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 57, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 57, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f39cd; background: linear-gradient(135deg, #3f39cd, #A239CD);