#0b40df
a balanced, electric blue · warm · closest name: slateblue
RGB
11, 64, 223
HSL
225°, 91%, 46%
CMYK
95, 71, 0, 13
Luminance
0.0907
Every format
| HEX | #0b40df |
| RGB | rgb(11, 64, 223) |
| HSL | hsl(225, 91%, 46%) |
| CMYK | cmyk(95%, 71%, 0%, 13%) |
| LAB | lab(36.1 47.3 -83.4) |
| LCH | lch(36.1 95.9 299.6) |
| OKLCH | oklch(0.468 0.243 264.1) |
Copy-ready code
/* CSS */
color: #0b40df;
background-color: #0b40df;
/* Tailwind (arbitrary) */
class="text-[#0b40df] bg-[#0b40df]"
/* SCSS */
$brand: #0b40df;
/* SwiftUI */
Color(red: 0.043, green: 0.251, blue: 0.875)
/* Android */
Color.parseColor("#0b40df")Accessibility — WCAG contrast
Aa
#0b40df on white: 7.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0b40df on black: 2.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red4.3%
Green25.1%
Blue87.5%
CMYK percentages
Cyan95.1%
Magenta71.3%
Yellow0.0%
Key (black)12.5%
Color previews
#0b40df text on a black background
contrast 2.81:1
Card sample
#0b40df text on a white background
contrast 7.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0b40df;
Background color
Panel with #0b40df background
background-color: #0b40df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0b40df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(11, 64, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 64, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b40df; background: linear-gradient(135deg, #0b40df, #630BDF);