#4151df
a balanced, vivid blue · warm · closest name: slateblue
RGB
65, 81, 223
HSL
234°, 71%, 57%
CMYK
71, 64, 0, 13
Luminance
0.1234
Every format
| HEX | #4151df |
| RGB | rgb(65, 81, 223) |
| HSL | hsl(234, 71%, 57%) |
| CMYK | cmyk(71%, 64%, 0%, 13%) |
| LAB | lab(41.7 40.5 -74.0) |
| LCH | lch(41.7 84.4 298.7) |
| OKLCH | oklch(0.514 0.214 271.5) |
Copy-ready code
/* CSS */
color: #4151df;
background-color: #4151df;
/* Tailwind (arbitrary) */
class="text-[#4151df] bg-[#4151df]"
/* SCSS */
$brand: #4151df;
/* SwiftUI */
Color(red: 0.255, green: 0.318, blue: 0.875)
/* Android */
Color.parseColor("#4151df")Accessibility — WCAG contrast
Aa
#4151df on white: 6.06:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4151df on black: 3.47:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.5%
Green31.8%
Blue87.5%
CMYK percentages
Cyan70.9%
Magenta63.7%
Yellow0.0%
Key (black)12.5%
Color previews
#4151df text on a black background
contrast 3.47:1
Card sample
#4151df text on a white background
contrast 6.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4151df;
Background color
Panel with #4151df background
background-color: #4151df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4151df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(65, 81, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(65, 81, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4151df; background: linear-gradient(135deg, #4151df, #9A41DF);