#3752db
a balanced, vivid blue · warm · closest name: royalblue
RGB
55, 82, 219
HSL
230°, 70%, 54%
CMYK
75, 63, 0, 14
Luminance
0.1196
Every format
| HEX | #3752db |
| RGB | rgb(55, 82, 219) |
| HSL | hsl(230, 70%, 54%) |
| CMYK | cmyk(75%, 63%, 0%, 14%) |
| LAB | lab(41.1 37.4 -72.8) |
| LCH | lch(41.1 81.8 297.2) |
| OKLCH | oklch(0.507 0.210 268.8) |
Copy-ready code
/* CSS */
color: #3752db;
background-color: #3752db;
/* Tailwind (arbitrary) */
class="text-[#3752db] bg-[#3752db]"
/* SCSS */
$brand: #3752db;
/* SwiftUI */
Color(red: 0.216, green: 0.322, blue: 0.859)
/* Android */
Color.parseColor("#3752db")Accessibility — WCAG contrast
Aa
#3752db on white: 6.19:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3752db on black: 3.39:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green32.2%
Blue85.9%
CMYK percentages
Cyan74.9%
Magenta62.6%
Yellow0.0%
Key (black)14.1%
Color previews
#3752db text on a black background
contrast 3.39:1
Card sample
#3752db text on a white background
contrast 6.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3752db;
Background color
Panel with #3752db background
background-color: #3752db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3752db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 82, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 82, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3752db; background: linear-gradient(135deg, #3752db, #8937DB);