#5566ff
a light, electric blue · warm · closest name: royalblue
RGB
85, 102, 255
HSL
234°, 100%, 67%
CMYK
67, 60, 0, 0
Luminance
0.1865
Every format
| HEX | #5566ff |
| RGB | rgb(85, 102, 255) |
| HSL | hsl(234, 100%, 67%) |
| CMYK | cmyk(67%, 60%, 0%, 0%) |
| LAB | lab(50.3 41.1 -78.0) |
| LCH | lch(50.3 88.2 297.8) |
| OKLCH | oklch(0.588 0.225 272.5) |
Copy-ready code
/* CSS */
color: #5566ff;
background-color: #5566ff;
/* Tailwind (arbitrary) */
class="text-[#5566ff] bg-[#5566ff]"
/* SCSS */
$brand: #5566ff;
/* SwiftUI */
Color(red: 0.333, green: 0.400, blue: 1.000)
/* Android */
Color.parseColor("#5566ff")Accessibility — WCAG contrast
Aa
#5566ff on white: 4.44:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#5566ff on black: 4.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green40.0%
Blue100.0%
CMYK percentages
Cyan66.7%
Magenta60.0%
Yellow0.0%
Key (black)0.0%
Color previews
#5566ff text on a black background
contrast 4.73:1
Card sample
#5566ff text on a white background
contrast 4.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5566ff;
Background color
Panel with #5566ff background
background-color: #5566ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5566ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 102, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 102, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5566ff; background: linear-gradient(135deg, #5566ff, #B555FF);