#0b55df
a balanced, electric blue · cool · closest name: royalblue
RGB
11, 85, 223
HSL
219°, 91%, 46%
CMYK
95, 62, 0, 13
Luminance
0.1190
Every format
| HEX | #0b55df |
| RGB | rgb(11, 85, 223) |
| HSL | hsl(219, 91%, 46%) |
| CMYK | cmyk(95%, 62%, 0%, 13%) |
| LAB | lab(41.0 34.2 -75.3) |
| LCH | lch(41.0 82.6 294.4) |
| OKLCH | oklch(0.504 0.220 261.9) |
Copy-ready code
/* CSS */
color: #0b55df;
background-color: #0b55df;
/* Tailwind (arbitrary) */
class="text-[#0b55df] bg-[#0b55df]"
/* SCSS */
$brand: #0b55df;
/* SwiftUI */
Color(red: 0.043, green: 0.333, blue: 0.875)
/* Android */
Color.parseColor("#0b55df")Accessibility — WCAG contrast
Aa
#0b55df on white: 6.21:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0b55df on black: 3.38:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red4.3%
Green33.3%
Blue87.5%
CMYK percentages
Cyan95.1%
Magenta61.9%
Yellow0.0%
Key (black)12.5%
Color previews
#0b55df text on a black background
contrast 3.38:1
Card sample
#0b55df text on a white background
contrast 6.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0b55df;
Background color
Panel with #0b55df background
background-color: #0b55df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0b55df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(11, 85, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 85, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b55df; background: linear-gradient(135deg, #0b55df, #4F0BDF);