#424cd3
a balanced, vivid blue · warm · closest name: slateblue
RGB
66, 76, 211
HSL
236°, 62%, 54%
CMYK
69, 64, 0, 17
Luminance
0.1103
Every format
| HEX | #424cd3 |
| RGB | rgb(66, 76, 211) |
| HSL | hsl(236, 62%, 54%) |
| CMYK | cmyk(69%, 64%, 0%, 17%) |
| LAB | lab(39.6 39.6 -70.6) |
| LCH | lch(39.6 81.0 299.3) |
| OKLCH | oklch(0.496 0.204 273.0) |
Copy-ready code
/* CSS */
color: #424cd3;
background-color: #424cd3;
/* Tailwind (arbitrary) */
class="text-[#424cd3] bg-[#424cd3]"
/* SCSS */
$brand: #424cd3;
/* SwiftUI */
Color(red: 0.259, green: 0.298, blue: 0.827)
/* Android */
Color.parseColor("#424cd3")Accessibility — WCAG contrast
Aa
#424cd3 on white: 6.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#424cd3 on black: 3.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green29.8%
Blue82.7%
CMYK percentages
Cyan68.7%
Magenta64.0%
Yellow0.0%
Key (black)17.3%
Color previews
#424cd3 text on a black background
contrast 3.21:1
Card sample
#424cd3 text on a white background
contrast 6.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #424cd3;
Background color
Panel with #424cd3 background
background-color: #424cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #424cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 76, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 76, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #424cd3; background: linear-gradient(135deg, #424cd3, #9942D3);