#3942df
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 66, 223
HSL
237°, 72%, 55%
CMYK
74, 70, 0, 13
Luminance
0.1009
Every format
| HEX | #3942df |
| RGB | rgb(57, 66, 223) |
| HSL | hsl(237, 72%, 55%) |
| CMYK | cmyk(74%, 70%, 0%, 13%) |
| LAB | lab(38.0 48.6 -80.2) |
| LCH | lch(38.0 93.8 301.2) |
| OKLCH | oklch(0.486 0.232 271.4) |
Copy-ready code
/* CSS */
color: #3942df;
background-color: #3942df;
/* Tailwind (arbitrary) */
class="text-[#3942df] bg-[#3942df]"
/* SCSS */
$brand: #3942df;
/* SwiftUI */
Color(red: 0.224, green: 0.259, blue: 0.875)
/* Android */
Color.parseColor("#3942df")Accessibility — WCAG contrast
Aa
#3942df on white: 6.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3942df on black: 3.02:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green25.9%
Blue87.5%
CMYK percentages
Cyan74.4%
Magenta70.4%
Yellow0.0%
Key (black)12.5%
Color previews
#3942df text on a black background
contrast 3.02:1
Card sample
#3942df text on a white background
contrast 6.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3942df;
Background color
Panel with #3942df background
background-color: #3942df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3942df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 66, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 66, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3942df; background: linear-gradient(135deg, #3942df, #9F39DF);