#4233f3
a balanced, electric blue · warm · closest name: blue
RGB
66, 51, 243
HSL
245°, 89%, 58%
CMYK
73, 79, 0, 5
Luminance
0.1000
Every format
| HEX | #4233f3 |
| RGB | rgb(66, 51, 243) |
| HSL | hsl(245, 89%, 58%) |
| CMYK | cmyk(73%, 79%, 0%, 5%) |
| LAB | lab(37.8 63.4 -91.8) |
| LCH | lch(37.8 111.6 304.6) |
| OKLCH | oklch(0.492 0.266 274.0) |
Copy-ready code
/* CSS */
color: #4233f3;
background-color: #4233f3;
/* Tailwind (arbitrary) */
class="text-[#4233f3] bg-[#4233f3]"
/* SCSS */
$brand: #4233f3;
/* SwiftUI */
Color(red: 0.259, green: 0.200, blue: 0.953)
/* Android */
Color.parseColor("#4233f3")Accessibility — WCAG contrast
Aa
#4233f3 on white: 7.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4233f3 on black: 3.00:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green20.0%
Blue95.3%
CMYK percentages
Cyan72.8%
Magenta79.0%
Yellow0.0%
Key (black)4.7%
Color previews
#4233f3 text on a black background
contrast 3.00:1
Card sample
#4233f3 text on a white background
contrast 7.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4233f3;
Background color
Panel with #4233f3 background
background-color: #4233f3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4233f3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 51, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 51, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4233f3; background: linear-gradient(135deg, #4233f3, #C233F3);