#643cef
a balanced, electric blue · warm · closest name: blue
RGB
100, 60, 239
HSL
253°, 85%, 59%
CMYK
58, 75, 0, 6
Luminance
0.1217
Every format
| HEX | #643cef |
| RGB | rgb(100, 60, 239) |
| HSL | hsl(253, 85%, 59%) |
| CMYK | cmyk(58%, 75%, 0%, 6%) |
| LAB | lab(41.5 61.3 -83.4) |
| LCH | lch(41.5 103.5 306.3) |
| OKLCH | oklch(0.523 0.248 284.1) |
Copy-ready code
/* CSS */
color: #643cef;
background-color: #643cef;
/* Tailwind (arbitrary) */
class="text-[#643cef] bg-[#643cef]"
/* SCSS */
$brand: #643cef;
/* SwiftUI */
Color(red: 0.392, green: 0.235, blue: 0.937)
/* Android */
Color.parseColor("#643cef")Accessibility — WCAG contrast
Aa
#643cef on white: 6.11:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643cef on black: 3.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.5%
Blue93.7%
CMYK percentages
Cyan58.2%
Magenta74.9%
Yellow0.0%
Key (black)6.3%
Color previews
#643cef text on a black background
contrast 3.43:1
Card sample
#643cef text on a white background
contrast 6.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643cef;
Background color
Panel with #643cef background
background-color: #643cef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643cef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 60, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 60, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643cef; background: linear-gradient(135deg, #643cef, #DB3CEF);