#3765df
a balanced, vivid blue · cool · “royalblue”
RGB
55, 101, 223
HSL
224°, 72%, 55%
CMYK
75, 55, 0, 13
Luminance
0.1545
Every format
| HEX | #3765df |
| RGB | rgb(55, 101, 223) |
| HSL | hsl(224, 72%, 55%) |
| CMYK | cmyk(75%, 55%, 0%, 13%) |
| LAB | lab(46.2 26.9 -66.7) |
| LCH | lch(46.2 71.9 291.9) |
| OKLCH | oklch(0.546 0.193 265.0) |
Copy-ready code
/* CSS */
color: #3765df;
background-color: #3765df;
/* Tailwind (arbitrary) */
class="text-[#3765df] bg-[#3765df]"
/* SCSS */
$brand: #3765df;
/* SwiftUI */
Color(red: 0.216, green: 0.396, blue: 0.875)
/* Android */
Color.parseColor("#3765df")Accessibility — WCAG contrast
Aa
#3765df on white: 5.14:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3765df on black: 4.09:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green39.6%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta54.7%
Yellow0.0%
Key (black)12.5%
Color previews
#3765df text on a black background
contrast 4.09:1
Card sample
#3765df text on a white background
contrast 5.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3765df;
Background color
Panel with #3765df background
background-color: #3765df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3765df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 101, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 101, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3765df; background: linear-gradient(135deg, #3765df, #7937DF);