#6655ee
a balanced, electric blue · warm · closest name: slateblue
RGB
102, 85, 238
HSL
247°, 82%, 63%
CMYK
57, 64, 0, 7
Luminance
0.1549
Every format
| HEX | #6655ee |
| RGB | rgb(102, 85, 238) |
| HSL | hsl(247, 82%, 63%) |
| CMYK | cmyk(57%, 64%, 0%, 7%) |
| LAB | lab(46.3 48.2 -75.0) |
| LCH | lch(46.3 89.1 302.7) |
| OKLCH | oklch(0.557 0.220 281.6) |
Copy-ready code
/* CSS */
color: #6655ee;
background-color: #6655ee;
/* Tailwind (arbitrary) */
class="text-[#6655ee] bg-[#6655ee]"
/* SCSS */
$brand: #6655ee;
/* SwiftUI */
Color(red: 0.400, green: 0.333, blue: 0.933)
/* Android */
Color.parseColor("#6655ee")Accessibility — WCAG contrast
Aa
#6655ee on white: 5.12:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#6655ee on black: 4.10:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green33.3%
Blue93.3%
CMYK percentages
Cyan57.1%
Magenta64.3%
Yellow0.0%
Key (black)6.7%
Color previews
#6655ee text on a black background
contrast 4.10:1
Card sample
#6655ee text on a white background
contrast 5.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6655ee;
Background color
Panel with #6655ee background
background-color: #6655ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6655ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 85, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 85, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6655ee; background: linear-gradient(135deg, #6655ee, #CC55EE);