#424df4
a balanced, electric blue · warm · closest name: slateblue
RGB
66, 77, 244
HSL
236°, 89%, 61%
CMYK
73, 68, 0, 4
Luminance
0.1300
Every format
| HEX | #424df4 |
| RGB | rgb(66, 77, 244) |
| HSL | hsl(236, 89%, 61%) |
| CMYK | cmyk(73%, 68%, 0%, 4%) |
| LAB | lab(42.8 50.1 -84.3) |
| LCH | lch(42.8 98.0 300.7) |
| OKLCH | oklch(0.527 0.244 271.7) |
Copy-ready code
/* CSS */
color: #424df4;
background-color: #424df4;
/* Tailwind (arbitrary) */
class="text-[#424df4] bg-[#424df4]"
/* SCSS */
$brand: #424df4;
/* SwiftUI */
Color(red: 0.259, green: 0.302, blue: 0.957)
/* Android */
Color.parseColor("#424df4")Accessibility — WCAG contrast
Aa
#424df4 on white: 5.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#424df4 on black: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green30.2%
Blue95.7%
CMYK percentages
Cyan73.0%
Magenta68.4%
Yellow0.0%
Key (black)4.3%
Color previews
#424df4 text on a black background
contrast 3.60:1
Card sample
#424df4 text on a white background
contrast 5.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #424df4;
Background color
Panel with #424df4 background
background-color: #424df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #424df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 77, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 77, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #424df4; background: linear-gradient(135deg, #424df4, #AE42F4);