#3949df
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 73, 223
HSL
234°, 72%, 55%
CMYK
74, 67, 0, 13
Luminance
0.1096
Every format
| HEX | #3949df |
| RGB | rgb(57, 73, 223) |
| HSL | hsl(234, 72%, 55%) |
| CMYK | cmyk(74%, 67%, 0%, 13%) |
| LAB | lab(39.5 44.5 -77.7) |
| LCH | lch(39.5 89.6 299.8) |
| OKLCH | oklch(0.497 0.225 270.6) |
Copy-ready code
/* CSS */
color: #3949df;
background-color: #3949df;
/* Tailwind (arbitrary) */
class="text-[#3949df] bg-[#3949df]"
/* SCSS */
$brand: #3949df;
/* SwiftUI */
Color(red: 0.224, green: 0.286, blue: 0.875)
/* Android */
Color.parseColor("#3949df")Accessibility — WCAG contrast
Aa
#3949df on white: 6.58:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3949df on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green28.6%
Blue87.5%
CMYK percentages
Cyan74.4%
Magenta67.3%
Yellow0.0%
Key (black)12.5%
Color previews
#3949df text on a black background
contrast 3.19:1
Card sample
#3949df text on a white background
contrast 6.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3949df;
Background color
Panel with #3949df background
background-color: #3949df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3949df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 73, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 73, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3949df; background: linear-gradient(135deg, #3949df, #9839DF);