#643dfd
a balanced, electric blue · warm · closest name: blue
RGB
100, 61, 253
HSL
252°, 98%, 62%
CMYK
61, 76, 0, 1
Luminance
0.1314
Every format
| HEX | #643dfd |
| RGB | rgb(100, 61, 253) |
| HSL | hsl(252, 98%, 62%) |
| CMYK | cmyk(61%, 76%, 0%, 1%) |
| LAB | lab(43.0 64.7 -88.9) |
| LCH | lch(43.0 109.9 306.0) |
| OKLCH | oklch(0.537 0.262 282.3) |
Copy-ready code
/* CSS */
color: #643dfd;
background-color: #643dfd;
/* Tailwind (arbitrary) */
class="text-[#643dfd] bg-[#643dfd]"
/* SCSS */
$brand: #643dfd;
/* SwiftUI */
Color(red: 0.392, green: 0.239, blue: 0.992)
/* Android */
Color.parseColor("#643dfd")Accessibility — WCAG contrast
Aa
#643dfd on white: 5.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643dfd on black: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.9%
Blue99.2%
CMYK percentages
Cyan60.5%
Magenta75.9%
Yellow0.0%
Key (black)0.8%
Color previews
#643dfd text on a black background
contrast 3.63:1
Card sample
#643dfd text on a white background
contrast 5.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643dfd;
Background color
Panel with #643dfd background
background-color: #643dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 61, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 61, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643dfd; background: linear-gradient(135deg, #643dfd, #E43DFD);