#3943df
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 67, 223
HSL
236°, 72%, 55%
CMYK
74, 70, 0, 13
Luminance
0.1021
Every format
| HEX | #3943df |
| RGB | rgb(57, 67, 223) |
| HSL | hsl(236, 72%, 55%) |
| CMYK | cmyk(74%, 70%, 0%, 13%) |
| LAB | lab(38.2 48.1 -79.8) |
| LCH | lch(38.2 93.2 301.0) |
| OKLCH | oklch(0.487 0.231 271.3) |
Copy-ready code
/* CSS */
color: #3943df;
background-color: #3943df;
/* Tailwind (arbitrary) */
class="text-[#3943df] bg-[#3943df]"
/* SCSS */
$brand: #3943df;
/* SwiftUI */
Color(red: 0.224, green: 0.263, blue: 0.875)
/* Android */
Color.parseColor("#3943df")Accessibility — WCAG contrast
Aa
#3943df on white: 6.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3943df on black: 3.04:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green26.3%
Blue87.5%
CMYK percentages
Cyan74.4%
Magenta70.0%
Yellow0.0%
Key (black)12.5%
Color previews
#3943df text on a black background
contrast 3.04:1
Card sample
#3943df text on a white background
contrast 6.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3943df;
Background color
Panel with #3943df background
background-color: #3943df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3943df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 67, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 67, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3943df; background: linear-gradient(135deg, #3943df, #9E39DF);