#4239cd
a balanced, vivid blue · warm · closest name: slateblue
RGB
66, 57, 205
HSL
244°, 60%, 51%
CMYK
68, 72, 0, 20
Luminance
0.0849
Every format
| HEX | #4239cd |
| RGB | rgb(66, 57, 205) |
| HSL | hsl(244, 60%, 51%) |
| CMYK | cmyk(68%, 72%, 0%, 20%) |
| LAB | lab(35.0 48.8 -74.8) |
| LCH | lch(35.0 89.3 303.1) |
| OKLCH | oklch(0.460 0.217 276.3) |
Copy-ready code
/* CSS */
color: #4239cd;
background-color: #4239cd;
/* Tailwind (arbitrary) */
class="text-[#4239cd] bg-[#4239cd]"
/* SCSS */
$brand: #4239cd;
/* SwiftUI */
Color(red: 0.259, green: 0.224, blue: 0.804)
/* Android */
Color.parseColor("#4239cd")Accessibility — WCAG contrast
Aa
#4239cd on white: 7.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4239cd on black: 2.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green22.4%
Blue80.4%
CMYK percentages
Cyan67.8%
Magenta72.2%
Yellow0.0%
Key (black)19.6%
Color previews
#4239cd text on a black background
contrast 2.70:1
Card sample
#4239cd text on a white background
contrast 7.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4239cd;
Background color
Panel with #4239cd background
background-color: #4239cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4239cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 57, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 57, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4239cd; background: linear-gradient(135deg, #4239cd, #A539CD);