#3947af
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 71, 175
HSL
233°, 51%, 46%
CMYK
67, 59, 0, 31
Luminance
0.0847
Every format
| HEX | #3947af |
| RGB | rgb(57, 71, 175) |
| HSL | hsl(233, 51%, 46%) |
| CMYK | cmyk(67%, 59%, 0%, 31%) |
| LAB | lab(34.9 29.0 -57.3) |
| LCH | lch(34.9 64.2 296.8) |
| OKLCH | oklch(0.451 0.165 272.1) |
Copy-ready code
/* CSS */
color: #3947af;
background-color: #3947af;
/* Tailwind (arbitrary) */
class="text-[#3947af] bg-[#3947af]"
/* SCSS */
$brand: #3947af;
/* SwiftUI */
Color(red: 0.224, green: 0.278, blue: 0.686)
/* Android */
Color.parseColor("#3947af")Accessibility — WCAG contrast
Aa
#3947af on white: 7.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3947af on black: 2.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green27.8%
Blue68.6%
CMYK percentages
Cyan67.4%
Magenta59.4%
Yellow0.0%
Key (black)31.4%
Color previews
#3947af text on a black background
contrast 2.69:1
Card sample
#3947af text on a white background
contrast 7.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3947af;
Background color
Panel with #3947af background
background-color: #3947af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3947af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 71, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 71, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3947af; background: linear-gradient(135deg, #3947af, #7A39AF);