#5181df
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
81, 129, 223
HSL
220°, 69%, 60%
CMYK
64, 42, 0, 13
Luminance
0.2278
Every format
| HEX | #5181df |
| RGB | rgb(81, 129, 223) |
| HSL | hsl(220, 69%, 60%) |
| CMYK | cmyk(64%, 42%, 0%, 13%) |
| LAB | lab(54.8 13.1 -52.8) |
| LCH | lch(54.8 54.4 283.9) |
| OKLCH | oklch(0.615 0.152 262.4) |
Copy-ready code
/* CSS */
color: #5181df;
background-color: #5181df;
/* Tailwind (arbitrary) */
class="text-[#5181df] bg-[#5181df]"
/* SCSS */
$brand: #5181df;
/* SwiftUI */
Color(red: 0.318, green: 0.506, blue: 0.875)
/* Android */
Color.parseColor("#5181df")Accessibility — WCAG contrast
Aa
#5181df on white: 3.78:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#5181df on black: 5.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green50.6%
Blue87.5%
CMYK percentages
Cyan63.7%
Magenta42.2%
Yellow0.0%
Key (black)12.5%
Color previews
#5181df text on a black background
contrast 5.56:1
Card sample
#5181df text on a white background
contrast 3.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5181df;
Background color
Panel with #5181df background
background-color: #5181df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5181df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 129, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 129, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5181df; background: linear-gradient(135deg, #5181df, #8051DF);