#424aef
a balanced, electric blue · warm · closest name: slateblue
RGB
66, 74, 239
HSL
237°, 84%, 60%
CMYK
72, 69, 0, 6
Luminance
0.1229
Every format
| HEX | #424aef |
| RGB | rgb(66, 74, 239) |
| HSL | hsl(237, 84%, 60%) |
| CMYK | cmyk(72%, 69%, 0%, 6%) |
| LAB | lab(41.7 50.2 -83.2) |
| LCH | lch(41.7 97.2 301.1) |
| OKLCH | oklch(0.518 0.241 272.2) |
Copy-ready code
/* CSS */
color: #424aef;
background-color: #424aef;
/* Tailwind (arbitrary) */
class="text-[#424aef] bg-[#424aef]"
/* SCSS */
$brand: #424aef;
/* SwiftUI */
Color(red: 0.259, green: 0.290, blue: 0.937)
/* Android */
Color.parseColor("#424aef")Accessibility — WCAG contrast
Aa
#424aef on white: 6.07:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#424aef on black: 3.46:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green29.0%
Blue93.7%
CMYK percentages
Cyan72.4%
Magenta69.0%
Yellow0.0%
Key (black)6.3%
Color previews
#424aef text on a black background
contrast 3.46:1
Card sample
#424aef text on a white background
contrast 6.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #424aef;
Background color
Panel with #424aef background
background-color: #424aef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #424aef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 74, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 74, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #424aef; background: linear-gradient(135deg, #424aef, #AD42EF);