#3753f1
a balanced, electric blue · warm · closest name: royalblue
RGB
55, 83, 241
HSL
231°, 87%, 58%
CMYK
77, 66, 0, 6
Luminance
0.1335
Every format
| HEX | #3753f1 |
| RGB | rgb(55, 83, 241) |
| HSL | hsl(231, 87%, 58%) |
| CMYK | cmyk(77%, 66%, 0%, 6%) |
| LAB | lab(43.3 44.5 -81.7) |
| LCH | lch(43.3 93.1 298.6) |
| OKLCH | oklch(0.529 0.237 268.5) |
Copy-ready code
/* CSS */
color: #3753f1;
background-color: #3753f1;
/* Tailwind (arbitrary) */
class="text-[#3753f1] bg-[#3753f1]"
/* SCSS */
$brand: #3753f1;
/* SwiftUI */
Color(red: 0.216, green: 0.325, blue: 0.945)
/* Android */
Color.parseColor("#3753f1")Accessibility — WCAG contrast
Aa
#3753f1 on white: 5.72:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3753f1 on black: 3.67:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green32.5%
Blue94.5%
CMYK percentages
Cyan77.2%
Magenta65.6%
Yellow0.0%
Key (black)5.5%
Color previews
#3753f1 text on a black background
contrast 3.67:1
Card sample
#3753f1 text on a white background
contrast 5.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3753f1;
Background color
Panel with #3753f1 background
background-color: #3753f1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3753f1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 83, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 83, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3753f1; background: linear-gradient(135deg, #3753f1, #9737F1);