#3f49df
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 73, 223
HSL
236°, 71%, 56%
CMYK
72, 67, 0, 13
Luminance
0.1115
Every format
| HEX | #3f49df |
| RGB | rgb(63, 73, 223) |
| HSL | hsl(236, 71%, 56%) |
| CMYK | cmyk(72%, 67%, 0%, 13%) |
| LAB | lab(39.8 45.1 -77.2) |
| LCH | lch(39.8 89.4 300.3) |
| OKLCH | oklch(0.500 0.223 272.2) |
Copy-ready code
/* CSS */
color: #3f49df;
background-color: #3f49df;
/* Tailwind (arbitrary) */
class="text-[#3f49df] bg-[#3f49df]"
/* SCSS */
$brand: #3f49df;
/* SwiftUI */
Color(red: 0.247, green: 0.286, blue: 0.875)
/* Android */
Color.parseColor("#3f49df")Accessibility — WCAG contrast
Aa
#3f49df on white: 6.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f49df on black: 3.23:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green28.6%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta67.3%
Yellow0.0%
Key (black)12.5%
Color previews
#3f49df text on a black background
contrast 3.23:1
Card sample
#3f49df text on a white background
contrast 6.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f49df;
Background color
Panel with #3f49df background
background-color: #3f49df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f49df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 73, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 73, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f49df; background: linear-gradient(135deg, #3f49df, #A03FDF);