#424fdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
66, 79, 223
HSL
235°, 71%, 57%
CMYK
70, 65, 0, 13
Luminance
0.1208
Every format
| HEX | #424fdf |
| RGB | rgb(66, 79, 223) |
| HSL | hsl(235, 71%, 57%) |
| CMYK | cmyk(70%, 65%, 0%, 13%) |
| LAB | lab(41.3 41.9 -74.7) |
| LCH | lch(41.3 85.7 299.3) |
| OKLCH | oklch(0.511 0.216 272.1) |
Copy-ready code
/* CSS */
color: #424fdf;
background-color: #424fdf;
/* Tailwind (arbitrary) */
class="text-[#424fdf] bg-[#424fdf]"
/* SCSS */
$brand: #424fdf;
/* SwiftUI */
Color(red: 0.259, green: 0.310, blue: 0.875)
/* Android */
Color.parseColor("#424fdf")Accessibility — WCAG contrast
Aa
#424fdf on white: 6.15:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#424fdf on black: 3.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green31.0%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta64.6%
Yellow0.0%
Key (black)12.5%
Color previews
#424fdf text on a black background
contrast 3.42:1
Card sample
#424fdf text on a white background
contrast 6.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #424fdf;
Background color
Panel with #424fdf background
background-color: #424fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #424fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 79, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 79, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #424fdf; background: linear-gradient(135deg, #424fdf, #9E42DF);