#3556df
a balanced, vivid blue · warm · closest name: royalblue
RGB
53, 86, 223
HSL
228°, 73%, 54%
CMYK
76, 61, 0, 13
Luminance
0.1274
Every format
| HEX | #3556df |
| RGB | rgb(53, 86, 223) |
| HSL | hsl(228, 73%, 54%) |
| CMYK | cmyk(76%, 61%, 0%, 13%) |
| LAB | lab(42.4 36.1 -73.0) |
| LCH | lch(42.4 81.5 296.3) |
| OKLCH | oklch(0.517 0.211 267.6) |
Copy-ready code
/* CSS */
color: #3556df;
background-color: #3556df;
/* Tailwind (arbitrary) */
class="text-[#3556df] bg-[#3556df]"
/* SCSS */
$brand: #3556df;
/* SwiftUI */
Color(red: 0.208, green: 0.337, blue: 0.875)
/* Android */
Color.parseColor("#3556df")Accessibility — WCAG contrast
Aa
#3556df on white: 5.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3556df on black: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green33.7%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta61.4%
Yellow0.0%
Key (black)12.5%
Color previews
#3556df text on a black background
contrast 3.55:1
Card sample
#3556df text on a white background
contrast 5.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3556df;
Background color
Panel with #3556df background
background-color: #3556df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3556df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 86, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 86, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3556df; background: linear-gradient(135deg, #3556df, #8535DF);