#0f43df
a balanced, electric blue · warm · closest name: slateblue
RGB
15, 67, 223
HSL
225°, 87%, 47%
CMYK
93, 70, 0, 13
Luminance
0.0944
Every format
| HEX | #0f43df |
| RGB | rgb(15, 67, 223) |
| HSL | hsl(225, 87%, 47%) |
| CMYK | cmyk(93%, 70%, 0%, 13%) |
| LAB | lab(36.8 45.6 -82.2) |
| LCH | lch(36.8 94.0 299.0) |
| OKLCH | oklch(0.473 0.240 264.2) |
Copy-ready code
/* CSS */
color: #0f43df;
background-color: #0f43df;
/* Tailwind (arbitrary) */
class="text-[#0f43df] bg-[#0f43df]"
/* SCSS */
$brand: #0f43df;
/* SwiftUI */
Color(red: 0.059, green: 0.263, blue: 0.875)
/* Android */
Color.parseColor("#0f43df")Accessibility — WCAG contrast
Aa
#0f43df on white: 7.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0f43df on black: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green26.3%
Blue87.5%
CMYK percentages
Cyan93.3%
Magenta70.0%
Yellow0.0%
Key (black)12.5%
Color previews
#0f43df text on a black background
contrast 2.89:1
Card sample
#0f43df text on a white background
contrast 7.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f43df;
Background color
Panel with #0f43df background
background-color: #0f43df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f43df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 67, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 67, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f43df; background: linear-gradient(135deg, #0f43df, #660FDF);