#664cac
a balanced, soft violet · warm · closest name: slateblue
RGB
102, 76, 172
HSL
256°, 39%, 49%
CMYK
41, 56, 0, 33
Luminance
0.1097
Every format
| HEX | #664cac |
| RGB | rgb(102, 76, 172) |
| HSL | hsl(256, 39%, 49%) |
| CMYK | cmyk(41%, 56%, 0%, 33%) |
| LAB | lab(39.5 33.9 -47.9) |
| LCH | lch(39.5 58.6 305.3) |
| OKLCH | oklch(0.493 0.147 292.7) |
Copy-ready code
/* CSS */
color: #664cac;
background-color: #664cac;
/* Tailwind (arbitrary) */
class="text-[#664cac] bg-[#664cac]"
/* SCSS */
$brand: #664cac;
/* SwiftUI */
Color(red: 0.400, green: 0.298, blue: 0.675)
/* Android */
Color.parseColor("#664cac")Accessibility — WCAG contrast
Aa
#664cac on white: 6.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#664cac on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green29.8%
Blue67.5%
CMYK percentages
Cyan40.7%
Magenta55.8%
Yellow0.0%
Key (black)32.5%
Color previews
#664cac text on a black background
contrast 3.19:1
Card sample
#664cac text on a white background
contrast 6.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #664cac;
Background color
Panel with #664cac background
background-color: #664cac;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #664cac;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 76, 172, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 76, 172, 0.45);
Border & gradient
Gradient panel
border: 3px solid #664cac; background: linear-gradient(135deg, #664cac, #A64CAC);