#3940cd
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 64, 205
HSL
237°, 60%, 51%
CMYK
72, 69, 0, 20
Luminance
0.0894
Every format
| HEX | #3940cd |
| RGB | rgb(57, 64, 205) |
| HSL | hsl(237, 60%, 51%) |
| CMYK | cmyk(72%, 69%, 0%, 20%) |
| LAB | lab(35.9 43.8 -73.3) |
| LCH | lch(35.9 85.4 300.8) |
| OKLCH | oklch(0.465 0.212 272.5) |
Copy-ready code
/* CSS */
color: #3940cd;
background-color: #3940cd;
/* Tailwind (arbitrary) */
class="text-[#3940cd] bg-[#3940cd]"
/* SCSS */
$brand: #3940cd;
/* SwiftUI */
Color(red: 0.224, green: 0.251, blue: 0.804)
/* Android */
Color.parseColor("#3940cd")Accessibility — WCAG contrast
Aa
#3940cd on white: 7.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3940cd on black: 2.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green25.1%
Blue80.4%
CMYK percentages
Cyan72.2%
Magenta68.8%
Yellow0.0%
Key (black)19.6%
Color previews
#3940cd text on a black background
contrast 2.79:1
Card sample
#3940cd text on a white background
contrast 7.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3940cd;
Background color
Panel with #3940cd background
background-color: #3940cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3940cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 64, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 64, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3940cd; background: linear-gradient(135deg, #3940cd, #9539CD);