#3753eb
a balanced, electric blue · warm · closest name: royalblue
RGB
55, 83, 235
HSL
231°, 82%, 57%
CMYK
77, 65, 0, 8
Luminance
0.1300
Every format
| HEX | #3753eb |
| RGB | rgb(55, 83, 235) |
| HSL | hsl(231, 82%, 57%) |
| CMYK | cmyk(77%, 65%, 0%, 8%) |
| LAB | lab(42.8 42.4 -79.2) |
| LCH | lch(42.8 89.9 298.2) |
| OKLCH | oklch(0.523 0.229 268.6) |
Copy-ready code
/* CSS */
color: #3753eb;
background-color: #3753eb;
/* Tailwind (arbitrary) */
class="text-[#3753eb] bg-[#3753eb]"
/* SCSS */
$brand: #3753eb;
/* SwiftUI */
Color(red: 0.216, green: 0.325, blue: 0.922)
/* Android */
Color.parseColor("#3753eb")Accessibility — WCAG contrast
Aa
#3753eb on white: 5.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3753eb on black: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green32.5%
Blue92.2%
CMYK percentages
Cyan76.6%
Magenta64.7%
Yellow0.0%
Key (black)7.8%
Color previews
#3753eb text on a black background
contrast 3.60:1
Card sample
#3753eb text on a white background
contrast 5.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3753eb;
Background color
Panel with #3753eb background
background-color: #3753eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3753eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 83, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 83, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3753eb; background: linear-gradient(135deg, #3753eb, #9337EB);