#3733df
a balanced, vivid blue · warm · closest name: navy
RGB
55, 51, 223
HSL
241°, 73%, 54%
CMYK
75, 77, 0, 13
Luminance
0.0851
Every format
| HEX | #3733df |
| RGB | rgb(55, 51, 223) |
| HSL | hsl(241, 73%, 54%) |
| CMYK | cmyk(75%, 77%, 0%, 13%) |
| LAB | lab(35.0 56.6 -85.1) |
| LCH | lch(35.0 102.2 303.6) |
| OKLCH | oklch(0.464 0.247 272.3) |
Copy-ready code
/* CSS */
color: #3733df;
background-color: #3733df;
/* Tailwind (arbitrary) */
class="text-[#3733df] bg-[#3733df]"
/* SCSS */
$brand: #3733df;
/* SwiftUI */
Color(red: 0.216, green: 0.200, blue: 0.875)
/* Android */
Color.parseColor("#3733df")Accessibility — WCAG contrast
Aa
#3733df on white: 7.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3733df on black: 2.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green20.0%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta77.1%
Yellow0.0%
Key (black)12.5%
Color previews
#3733df text on a black background
contrast 2.70:1
Card sample
#3733df text on a white background
contrast 7.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3733df;
Background color
Panel with #3733df background
background-color: #3733df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3733df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 51, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 51, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3733df; background: linear-gradient(135deg, #3733df, #AA33DF);