#5566cc
a balanced, vivid blue · warm · closest name: royalblue
RGB
85, 102, 204
HSL
231°, 54%, 57%
CMYK
58, 50, 0, 20
Luminance
0.1579
Every format
| HEX | #5566cc |
| RGB | rgb(85, 102, 204) |
| HSL | hsl(231, 54%, 57%) |
| CMYK | cmyk(58%, 50%, 0%, 20%) |
| LAB | lab(46.7 24.1 -55.1) |
| LCH | lch(46.7 60.1 293.6) |
| OKLCH | oklch(0.550 0.158 273.0) |
Copy-ready code
/* CSS */
color: #5566cc;
background-color: #5566cc;
/* Tailwind (arbitrary) */
class="text-[#5566cc] bg-[#5566cc]"
/* SCSS */
$brand: #5566cc;
/* SwiftUI */
Color(red: 0.333, green: 0.400, blue: 0.800)
/* Android */
Color.parseColor("#5566cc")Accessibility — WCAG contrast
Aa
#5566cc on white: 5.05:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#5566cc on black: 4.16:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green40.0%
Blue80.0%
CMYK percentages
Cyan58.3%
Magenta50.0%
Yellow0.0%
Key (black)20.0%
Color previews
#5566cc text on a black background
contrast 4.16:1
Card sample
#5566cc text on a white background
contrast 5.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5566cc;
Background color
Panel with #5566cc background
background-color: #5566cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5566cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 102, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 102, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5566cc; background: linear-gradient(135deg, #5566cc, #9355CC);