#421fff
a balanced, electric blue · warm · closest name: blue
RGB
66, 31, 255
HSL
249°, 100%, 56%
CMYK
74, 88, 0, 0
Luminance
0.0936
Every format
| HEX | #421fff |
| RGB | rgb(66, 31, 255) |
| HSL | hsl(249, 100%, 56%) |
| CMYK | cmyk(74%, 88%, 0%, 0%) |
| LAB | lab(36.7 74.2 -100.5) |
| LCH | lch(36.7 125.0 306.4) |
| OKLCH | oklch(0.488 0.291 273.9) |
Copy-ready code
/* CSS */
color: #421fff;
background-color: #421fff;
/* Tailwind (arbitrary) */
class="text-[#421fff] bg-[#421fff]"
/* SCSS */
$brand: #421fff;
/* SwiftUI */
Color(red: 0.259, green: 0.122, blue: 1.000)
/* Android */
Color.parseColor("#421fff")Accessibility — WCAG contrast
Aa
#421fff on white: 7.31:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#421fff on black: 2.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green12.2%
Blue100.0%
CMYK percentages
Cyan74.1%
Magenta87.8%
Yellow0.0%
Key (black)0.0%
Color previews
#421fff text on a black background
contrast 2.87:1
Card sample
#421fff text on a white background
contrast 7.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #421fff;
Background color
Panel with #421fff background
background-color: #421fff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #421fff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 31, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 31, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #421fff; background: linear-gradient(135deg, #421fff, #D71FFF);