#644ade
a balanced, vivid blue · warm · closest name: slateblue
RGB
100, 74, 222
HSL
251°, 69%, 58%
CMYK
55, 67, 0, 13
Luminance
0.1288
Every format
| HEX | #644ade |
| RGB | rgb(100, 74, 222) |
| HSL | hsl(251, 69%, 58%) |
| CMYK | cmyk(55%, 67%, 0%, 13%) |
| LAB | lab(42.6 49.2 -72.0) |
| LCH | lch(42.6 87.2 304.4) |
| OKLCH | oklch(0.526 0.214 284.3) |
Copy-ready code
/* CSS */
color: #644ade;
background-color: #644ade;
/* Tailwind (arbitrary) */
class="text-[#644ade] bg-[#644ade]"
/* SCSS */
$brand: #644ade;
/* SwiftUI */
Color(red: 0.392, green: 0.290, blue: 0.871)
/* Android */
Color.parseColor("#644ade")Accessibility — WCAG contrast
Aa
#644ade on white: 5.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#644ade on black: 3.58:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green29.0%
Blue87.1%
CMYK percentages
Cyan55.0%
Magenta66.7%
Yellow0.0%
Key (black)12.9%
Color previews
#644ade text on a black background
contrast 3.58:1
Card sample
#644ade text on a white background
contrast 5.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #644ade;
Background color
Panel with #644ade background
background-color: #644ade;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #644ade;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 74, 222, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 74, 222, 0.45);
Border & gradient
Gradient panel
border: 3px solid #644ade; background: linear-gradient(135deg, #644ade, #C74ADE);