#666699
a balanced, soft blue · warm · closest name: steelblue
RGB
102, 102, 153
HSL
240°, 20%, 50%
CMYK
33, 33, 0, 40
Luminance
0.1463
Every format
| HEX | #666699 |
| RGB | rgb(102, 102, 153) |
| HSL | hsl(240, 20%, 50%) |
| CMYK | cmyk(33%, 33%, 0%, 40%) |
| LAB | lab(45.1 12.5 -27.8) |
| LCH | lch(45.1 30.4 294.3) |
| OKLCH | oklch(0.532 0.080 283.4) |
Copy-ready code
/* CSS */
color: #666699;
background-color: #666699;
/* Tailwind (arbitrary) */
class="text-[#666699] bg-[#666699]"
/* SCSS */
$brand: #666699;
/* SwiftUI */
Color(red: 0.400, green: 0.400, blue: 0.600)
/* Android */
Color.parseColor("#666699")Accessibility — WCAG contrast
Aa
#666699 on white: 5.35:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#666699 on black: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green40.0%
Blue60.0%
CMYK percentages
Cyan33.3%
Magenta33.3%
Yellow0.0%
Key (black)40.0%
Color previews
#666699 text on a black background
contrast 3.93:1
Card sample
#666699 text on a white background
contrast 5.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666699;
Background color
Panel with #666699 background
background-color: #666699;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666699;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 102, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 102, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666699; background: linear-gradient(135deg, #666699, #886699);