#4239af
a balanced, vivid blue · warm · closest name: slateblue
RGB
66, 57, 175
HSL
245°, 51%, 46%
CMYK
62, 67, 0, 31
Luminance
0.0718
Every format
| HEX | #4239af |
| RGB | rgb(66, 57, 175) |
| HSL | hsl(245, 51%, 46%) |
| CMYK | cmyk(62%, 67%, 0%, 31%) |
| LAB | lab(32.2 39.1 -61.7) |
| LCH | lch(32.2 73.0 302.4) |
| OKLCH | oklch(0.432 0.180 279.1) |
Copy-ready code
/* CSS */
color: #4239af;
background-color: #4239af;
/* Tailwind (arbitrary) */
class="text-[#4239af] bg-[#4239af]"
/* SCSS */
$brand: #4239af;
/* SwiftUI */
Color(red: 0.259, green: 0.224, blue: 0.686)
/* Android */
Color.parseColor("#4239af")Accessibility — WCAG contrast
Aa
#4239af on white: 8.62:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4239af on black: 2.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green22.4%
Blue68.6%
CMYK percentages
Cyan62.3%
Magenta67.4%
Yellow0.0%
Key (black)31.4%
Color previews
#4239af text on a black background
contrast 2.44:1
Card sample
#4239af text on a white background
contrast 8.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4239af;
Background color
Panel with #4239af background
background-color: #4239af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4239af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 57, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 57, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4239af; background: linear-gradient(135deg, #4239af, #9139AF);