#3553df
a balanced, vivid blue · warm · closest name: royalblue
RGB
53, 83, 223
HSL
229°, 73%, 54%
CMYK
76, 63, 0, 13
Luminance
0.1227
Every format
| HEX | #3553df |
| RGB | rgb(53, 83, 223) |
| HSL | hsl(229, 73%, 54%) |
| CMYK | cmyk(76%, 63%, 0%, 13%) |
| LAB | lab(41.6 38.0 -74.2) |
| LCH | lch(41.6 83.4 297.1) |
| OKLCH | oklch(0.512 0.215 268.2) |
Copy-ready code
/* CSS */
color: #3553df;
background-color: #3553df;
/* Tailwind (arbitrary) */
class="text-[#3553df] bg-[#3553df]"
/* SCSS */
$brand: #3553df;
/* SwiftUI */
Color(red: 0.208, green: 0.325, blue: 0.875)
/* Android */
Color.parseColor("#3553df")Accessibility — WCAG contrast
Aa
#3553df on white: 6.08:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3553df on black: 3.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green32.5%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta62.8%
Yellow0.0%
Key (black)12.5%
Color previews
#3553df text on a black background
contrast 3.45:1
Card sample
#3553df text on a white background
contrast 6.08:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3553df;
Background color
Panel with #3553df background
background-color: #3553df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3553df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 83, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 83, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3553df; background: linear-gradient(135deg, #3553df, #8835DF);