#3948cf
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 72, 207
HSL
234°, 61%, 52%
CMYK
73, 65, 0, 19
Luminance
0.1001
Every format
| HEX | #3948cf |
| RGB | rgb(57, 72, 207) |
| HSL | hsl(234, 61%, 52%) |
| CMYK | cmyk(73%, 65%, 0%, 19%) |
| LAB | lab(37.9 39.6 -71.3) |
| LCH | lch(37.9 81.5 299.1) |
| OKLCH | oklch(0.480 0.206 271.2) |
Copy-ready code
/* CSS */
color: #3948cf;
background-color: #3948cf;
/* Tailwind (arbitrary) */
class="text-[#3948cf] bg-[#3948cf]"
/* SCSS */
$brand: #3948cf;
/* SwiftUI */
Color(red: 0.224, green: 0.282, blue: 0.812)
/* Android */
Color.parseColor("#3948cf")Accessibility — WCAG contrast
Aa
#3948cf on white: 7.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3948cf on black: 3.00:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green28.2%
Blue81.2%
CMYK percentages
Cyan72.5%
Magenta65.2%
Yellow0.0%
Key (black)18.8%
Color previews
#3948cf text on a black background
contrast 3.00:1
Card sample
#3948cf text on a white background
contrast 7.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3948cf;
Background color
Panel with #3948cf background
background-color: #3948cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3948cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 72, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 72, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3948cf; background: linear-gradient(135deg, #3948cf, #8E39CF);