#4233df
a balanced, vivid blue · warm · closest name: navy
RGB
66, 51, 223
HSL
245°, 73%, 54%
CMYK
70, 77, 0, 13
Luminance
0.0885
Every format
| HEX | #4233df |
| RGB | rgb(66, 51, 223) |
| HSL | hsl(245, 73%, 54%) |
| CMYK | cmyk(70%, 77%, 0%, 13%) |
| LAB | lab(35.7 57.5 -84.0) |
| LCH | lch(35.7 101.8 304.4) |
| OKLCH | oklch(0.471 0.244 275.4) |
Copy-ready code
/* CSS */
color: #4233df;
background-color: #4233df;
/* Tailwind (arbitrary) */
class="text-[#4233df] bg-[#4233df]"
/* SCSS */
$brand: #4233df;
/* SwiftUI */
Color(red: 0.259, green: 0.200, blue: 0.875)
/* Android */
Color.parseColor("#4233df")Accessibility — WCAG contrast
Aa
#4233df on white: 7.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4233df on black: 2.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green20.0%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta77.1%
Yellow0.0%
Key (black)12.5%
Color previews
#4233df text on a black background
contrast 2.77:1
Card sample
#4233df text on a white background
contrast 7.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4233df;
Background color
Panel with #4233df background
background-color: #4233df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4233df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 51, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 51, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4233df; background: linear-gradient(135deg, #4233df, #B533DF);