#663388
a dark, vivid violet · warm · closest name: purple
RGB
102, 51, 136
HSL
276°, 46%, 37%
CMYK
25, 63, 0, 47
Luminance
0.0697
Every format
| HEX | #663388 |
| RGB | rgb(102, 51, 136) |
| HSL | hsl(276, 46%, 37%) |
| CMYK | cmyk(25%, 63%, 0%, 47%) |
| LAB | lab(31.7 38.7 -38.6) |
| LCH | lch(31.7 54.6 315.1) |
| OKLCH | oklch(0.428 0.141 309.4) |
Copy-ready code
/* CSS */
color: #663388;
background-color: #663388;
/* Tailwind (arbitrary) */
class="text-[#663388] bg-[#663388]"
/* SCSS */
$brand: #663388;
/* SwiftUI */
Color(red: 0.400, green: 0.200, blue: 0.533)
/* Android */
Color.parseColor("#663388")Accessibility — WCAG contrast
Aa
#663388 on white: 8.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#663388 on black: 2.39:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green20.0%
Blue53.3%
CMYK percentages
Cyan25.0%
Magenta62.5%
Yellow0.0%
Key (black)46.7%
Color previews
#663388 text on a black background
contrast 2.39:1
Card sample
#663388 text on a white background
contrast 8.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663388;
Background color
Panel with #663388 background
background-color: #663388;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663388;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 51, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 51, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663388; background: linear-gradient(135deg, #663388, #883371);