#3f59df
a balanced, vivid blue · warm · closest name: royalblue
RGB
63, 89, 223
HSL
230°, 71%, 56%
CMYK
72, 60, 0, 13
Luminance
0.1353
Every format
| HEX | #3f59df |
| RGB | rgb(63, 89, 223) |
| HSL | hsl(230, 71%, 56%) |
| CMYK | cmyk(72%, 60%, 0%, 13%) |
| LAB | lab(43.5 35.4 -71.1) |
| LCH | lch(43.5 79.4 296.4) |
| OKLCH | oklch(0.527 0.205 269.5) |
Copy-ready code
/* CSS */
color: #3f59df;
background-color: #3f59df;
/* Tailwind (arbitrary) */
class="text-[#3f59df] bg-[#3f59df]"
/* SCSS */
$brand: #3f59df;
/* SwiftUI */
Color(red: 0.247, green: 0.349, blue: 0.875)
/* Android */
Color.parseColor("#3f59df")Accessibility — WCAG contrast
Aa
#3f59df on white: 5.67:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f59df on black: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green34.9%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta60.1%
Yellow0.0%
Key (black)12.5%
Color previews
#3f59df text on a black background
contrast 3.71:1
Card sample
#3f59df text on a white background
contrast 5.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f59df;
Background color
Panel with #3f59df background
background-color: #3f59df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f59df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 89, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 89, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f59df; background: linear-gradient(135deg, #3f59df, #903FDF);