#643afd
a balanced, electric blue · warm · closest name: blue
RGB
100, 58, 253
HSL
253°, 98%, 61%
CMYK
61, 77, 0, 1
Luminance
0.1283
Every format
| HEX | #643afd |
| RGB | rgb(100, 58, 253) |
| HSL | hsl(253, 98%, 61%) |
| CMYK | cmyk(61%, 77%, 0%, 1%) |
| LAB | lab(42.5 66.0 -89.6) |
| LCH | lch(42.5 111.3 306.4) |
| OKLCH | oklch(0.534 0.265 282.6) |
Copy-ready code
/* CSS */
color: #643afd;
background-color: #643afd;
/* Tailwind (arbitrary) */
class="text-[#643afd] bg-[#643afd]"
/* SCSS */
$brand: #643afd;
/* SwiftUI */
Color(red: 0.392, green: 0.227, blue: 0.992)
/* Android */
Color.parseColor("#643afd")Accessibility — WCAG contrast
Aa
#643afd on white: 5.89:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643afd on black: 3.57:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green22.7%
Blue99.2%
CMYK percentages
Cyan60.5%
Magenta77.1%
Yellow0.0%
Key (black)0.8%
Color previews
#643afd text on a black background
contrast 3.57:1
Card sample
#643afd text on a white background
contrast 5.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643afd;
Background color
Panel with #643afd background
background-color: #643afd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643afd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 58, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 58, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643afd; background: linear-gradient(135deg, #643afd, #E63AFD);