#421dfd
a balanced, electric blue · warm · closest name: blue
RGB
66, 29, 253
HSL
250°, 98%, 55%
CMYK
74, 89, 0, 1
Luminance
0.0913
Every format
| HEX | #421dfd |
| RGB | rgb(66, 29, 253) |
| HSL | hsl(250, 98%, 55%) |
| CMYK | cmyk(74%, 89%, 0%, 1%) |
| LAB | lab(36.2 74.3 -100.1) |
| LCH | lch(36.2 124.7 306.6) |
| OKLCH | oklch(0.484 0.290 274.1) |
Copy-ready code
/* CSS */
color: #421dfd;
background-color: #421dfd;
/* Tailwind (arbitrary) */
class="text-[#421dfd] bg-[#421dfd]"
/* SCSS */
$brand: #421dfd;
/* SwiftUI */
Color(red: 0.259, green: 0.114, blue: 0.992)
/* Android */
Color.parseColor("#421dfd")Accessibility — WCAG contrast
Aa
#421dfd on white: 7.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#421dfd on black: 2.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green11.4%
Blue99.2%
CMYK percentages
Cyan73.9%
Magenta88.5%
Yellow0.0%
Key (black)0.8%
Color previews
#421dfd text on a black background
contrast 2.83:1
Card sample
#421dfd text on a white background
contrast 7.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #421dfd;
Background color
Panel with #421dfd background
background-color: #421dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #421dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 29, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 29, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #421dfd; background: linear-gradient(135deg, #421dfd, #D71DFD);