#643fff
a balanced, electric blue · warm · closest name: blue
RGB
100, 63, 255
HSL
252°, 100%, 62%
CMYK
61, 75, 0, 0
Luminance
0.1348
Every format
| HEX | #643fff |
| RGB | rgb(100, 63, 255) |
| HSL | hsl(252, 100%, 62%) |
| CMYK | cmyk(61%, 75%, 0%, 0%) |
| LAB | lab(43.5 64.3 -89.1) |
| LCH | lch(43.5 109.9 305.8) |
| OKLCH | oklch(0.541 0.263 281.9) |
Copy-ready code
/* CSS */
color: #643fff;
background-color: #643fff;
/* Tailwind (arbitrary) */
class="text-[#643fff] bg-[#643fff]"
/* SCSS */
$brand: #643fff;
/* SwiftUI */
Color(red: 0.392, green: 0.247, blue: 1.000)
/* Android */
Color.parseColor("#643fff")Accessibility — WCAG contrast
Aa
#643fff on white: 5.68:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643fff on black: 3.70:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.7%
Blue100.0%
CMYK percentages
Cyan60.8%
Magenta75.3%
Yellow0.0%
Key (black)0.0%
Color previews
#643fff text on a black background
contrast 3.70:1
Card sample
#643fff text on a white background
contrast 5.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643fff;
Background color
Panel with #643fff background
background-color: #643fff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643fff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 63, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 63, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643fff; background: linear-gradient(135deg, #643fff, #E43FFF);