#0f55df
a balanced, electric blue · cool · closest name: royalblue
RGB
15, 85, 223
HSL
220°, 87%, 47%
CMYK
93, 62, 0, 13
Luminance
0.1193
Every format
| HEX | #0f55df |
| RGB | rgb(15, 85, 223) |
| HSL | hsl(220, 87%, 47%) |
| CMYK | cmyk(93%, 62%, 0%, 13%) |
| LAB | lab(41.1 34.3 -75.2) |
| LCH | lch(41.1 82.6 294.5) |
| OKLCH | oklch(0.505 0.220 262.2) |
Copy-ready code
/* CSS */
color: #0f55df;
background-color: #0f55df;
/* Tailwind (arbitrary) */
class="text-[#0f55df] bg-[#0f55df]"
/* SCSS */
$brand: #0f55df;
/* SwiftUI */
Color(red: 0.059, green: 0.333, blue: 0.875)
/* Android */
Color.parseColor("#0f55df")Accessibility — WCAG contrast
Aa
#0f55df on white: 6.20:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0f55df on black: 3.39:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green33.3%
Blue87.5%
CMYK percentages
Cyan93.3%
Magenta61.9%
Yellow0.0%
Key (black)12.5%
Color previews
#0f55df text on a black background
contrast 3.39:1
Card sample
#0f55df text on a white background
contrast 6.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f55df;
Background color
Panel with #0f55df background
background-color: #0f55df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f55df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 85, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 85, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f55df; background: linear-gradient(135deg, #0f55df, #540FDF);