#5566aa
a balanced, soft blue · warm · closest name: steelblue
RGB
85, 102, 170
HSL
228°, 33%, 50%
CMYK
50, 40, 0, 33
Luminance
0.1434
Every format
| HEX | #5566aa |
| RGB | rgb(85, 102, 170) |
| HSL | hsl(228, 33%, 50%) |
| CMYK | cmyk(50%, 40%, 0%, 33%) |
| LAB | lab(44.7 13.0 -38.5) |
| LCH | lch(44.7 40.6 288.6) |
| OKLCH | oklch(0.528 0.109 271.6) |
Copy-ready code
/* CSS */
color: #5566aa;
background-color: #5566aa;
/* Tailwind (arbitrary) */
class="text-[#5566aa] bg-[#5566aa]"
/* SCSS */
$brand: #5566aa;
/* SwiftUI */
Color(red: 0.333, green: 0.400, blue: 0.667)
/* Android */
Color.parseColor("#5566aa")Accessibility — WCAG contrast
Aa
#5566aa on white: 5.43:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#5566aa on black: 3.87:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green40.0%
Blue66.7%
CMYK percentages
Cyan50.0%
Magenta40.0%
Yellow0.0%
Key (black)33.3%
Color previews
#5566aa text on a black background
contrast 3.87:1
Card sample
#5566aa text on a white background
contrast 5.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5566aa;
Background color
Panel with #5566aa background
background-color: #5566aa;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5566aa;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 102, 170, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 102, 170, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5566aa; background: linear-gradient(135deg, #5566aa, #7D55AA);