#666688
a balanced, muted blue · warm · closest name: steelblue
RGB
102, 102, 136
HSL
240°, 14%, 47%
CMYK
25, 25, 0, 47
Luminance
0.1411
Every format
| HEX | #666688 |
| RGB | rgb(102, 102, 136) |
| HSL | hsl(240, 14%, 47%) |
| CMYK | cmyk(25%, 25%, 0%, 47%) |
| LAB | lab(44.4 8.0 -18.8) |
| LCH | lch(44.4 20.4 293.0) |
| OKLCH | oklch(0.523 0.053 284.4) |
Copy-ready code
/* CSS */
color: #666688;
background-color: #666688;
/* Tailwind (arbitrary) */
class="text-[#666688] bg-[#666688]"
/* SCSS */
$brand: #666688;
/* SwiftUI */
Color(red: 0.400, green: 0.400, blue: 0.533)
/* Android */
Color.parseColor("#666688")Accessibility — WCAG contrast
Aa
#666688 on white: 5.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#666688 on black: 3.82:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green40.0%
Blue53.3%
CMYK percentages
Cyan25.0%
Magenta25.0%
Yellow0.0%
Key (black)46.7%
Color previews
#666688 text on a black background
contrast 3.82:1
Card sample
#666688 text on a white background
contrast 5.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666688;
Background color
Panel with #666688 background
background-color: #666688;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666688;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 102, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 102, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666688; background: linear-gradient(135deg, #666688, #7D6688);