#3550df
a balanced, vivid blue · warm · closest name: royalblue
RGB
53, 80, 223
HSL
231°, 73%, 54%
CMYK
76, 64, 0, 13
Luminance
0.1182
Every format
| HEX | #3550df |
| RGB | rgb(53, 80, 223) |
| HSL | hsl(231, 73%, 54%) |
| CMYK | cmyk(76%, 64%, 0%, 13%) |
| LAB | lab(40.9 39.9 -75.4) |
| LCH | lch(40.9 85.3 297.9) |
| OKLCH | oklch(0.506 0.218 268.6) |
Copy-ready code
/* CSS */
color: #3550df;
background-color: #3550df;
/* Tailwind (arbitrary) */
class="text-[#3550df] bg-[#3550df]"
/* SCSS */
$brand: #3550df;
/* SwiftUI */
Color(red: 0.208, green: 0.314, blue: 0.875)
/* Android */
Color.parseColor("#3550df")Accessibility — WCAG contrast
Aa
#3550df on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3550df on black: 3.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green31.4%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta64.1%
Yellow0.0%
Key (black)12.5%
Color previews
#3550df text on a black background
contrast 3.36:1
Card sample
#3550df text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3550df;
Background color
Panel with #3550df background
background-color: #3550df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3550df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 80, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 80, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3550df; background: linear-gradient(135deg, #3550df, #8B35DF);