#421df7
a balanced, electric blue · warm · closest name: blue
RGB
66, 29, 247
HSL
250°, 93%, 54%
CMYK
73, 88, 0, 3
Luminance
0.0875
Every format
| HEX | #421df7 |
| RGB | rgb(66, 29, 247) |
| HSL | hsl(250, 93%, 54%) |
| CMYK | cmyk(73%, 88%, 0%, 3%) |
| LAB | lab(35.5 72.8 -98.0) |
| LCH | lch(35.5 122.0 306.6) |
| OKLCH | oklch(0.477 0.284 274.6) |
Copy-ready code
/* CSS */
color: #421df7;
background-color: #421df7;
/* Tailwind (arbitrary) */
class="text-[#421df7] bg-[#421df7]"
/* SCSS */
$brand: #421df7;
/* SwiftUI */
Color(red: 0.259, green: 0.114, blue: 0.969)
/* Android */
Color.parseColor("#421df7")Accessibility — WCAG contrast
Aa
#421df7 on white: 7.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#421df7 on black: 2.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green11.4%
Blue96.9%
CMYK percentages
Cyan73.3%
Magenta88.3%
Yellow0.0%
Key (black)3.1%
Color previews
#421df7 text on a black background
contrast 2.75:1
Card sample
#421df7 text on a white background
contrast 7.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #421df7;
Background color
Panel with #421df7 background
background-color: #421df7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #421df7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 29, 247, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 29, 247, 0.45);
Border & gradient
Gradient panel
border: 3px solid #421df7; background: linear-gradient(135deg, #421df7, #D31DF7);