#0359df
a dark, electric blue · cool · closest name: royalblue
RGB
3, 89, 223
HSL
217°, 97%, 44%
CMYK
99, 60, 0, 13
Luminance
0.1249
Every format
| HEX | #0359df |
| RGB | rgb(3, 89, 223) |
| HSL | hsl(217, 97%, 44%) |
| CMYK | cmyk(99%, 60%, 0%, 13%) |
| LAB | lab(42.0 31.4 -73.7) |
| LCH | lch(42.0 80.1 293.0) |
| OKLCH | oklch(0.511 0.216 260.9) |
Copy-ready code
/* CSS */
color: #0359df;
background-color: #0359df;
/* Tailwind (arbitrary) */
class="text-[#0359df] bg-[#0359df]"
/* SCSS */
$brand: #0359df;
/* SwiftUI */
Color(red: 0.012, green: 0.349, blue: 0.875)
/* Android */
Color.parseColor("#0359df")Accessibility — WCAG contrast
Aa
#0359df on white: 6.00:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0359df on black: 3.50:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green34.9%
Blue87.5%
CMYK percentages
Cyan98.7%
Magenta60.1%
Yellow0.0%
Key (black)12.5%
Color previews
#0359df text on a black background
contrast 3.50:1
Card sample
#0359df text on a white background
contrast 6.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0359df;
Background color
Panel with #0359df background
background-color: #0359df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0359df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 89, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 89, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0359df; background: linear-gradient(135deg, #0359df, #4003DF);