#3f41cd
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 65, 205
HSL
239°, 59%, 53%
CMYK
69, 68, 0, 20
Luminance
0.0925
Every format
| HEX | #3f41cd |
| RGB | rgb(63, 65, 205) |
| HSL | hsl(239, 59%, 53%) |
| CMYK | cmyk(69%, 68%, 0%, 20%) |
| LAB | lab(36.5 43.9 -72.4) |
| LCH | lch(36.5 84.6 301.2) |
| OKLCH | oklch(0.470 0.210 274.2) |
Copy-ready code
/* CSS */
color: #3f41cd;
background-color: #3f41cd;
/* Tailwind (arbitrary) */
class="text-[#3f41cd] bg-[#3f41cd]"
/* SCSS */
$brand: #3f41cd;
/* SwiftUI */
Color(red: 0.247, green: 0.255, blue: 0.804)
/* Android */
Color.parseColor("#3f41cd")Accessibility — WCAG contrast
Aa
#3f41cd on white: 7.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f41cd on black: 2.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green25.5%
Blue80.4%
CMYK percentages
Cyan69.3%
Magenta68.3%
Yellow0.0%
Key (black)19.6%
Color previews
#3f41cd text on a black background
contrast 2.85:1
Card sample
#3f41cd text on a white background
contrast 7.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f41cd;
Background color
Panel with #3f41cd background
background-color: #3f41cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f41cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 65, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 65, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f41cd; background: linear-gradient(135deg, #3f41cd, #9C3FCD);