#1166cc
a dark, electric blue · cool · closest name: royalblue
RGB
17, 102, 204
HSL
213°, 85%, 43%
CMYK
92, 50, 0, 20
Luminance
0.1398
Every format
| HEX | #1166cc |
| RGB | rgb(17, 102, 204) |
| HSL | hsl(213, 85%, 43%) |
| CMYK | cmyk(92%, 50%, 0%, 20%) |
| LAB | lab(44.2 15.9 -59.2) |
| LCH | lch(44.2 61.3 285.0) |
| OKLCH | oklch(0.524 0.175 256.9) |
Copy-ready code
/* CSS */
color: #1166cc;
background-color: #1166cc;
/* Tailwind (arbitrary) */
class="text-[#1166cc] bg-[#1166cc]"
/* SCSS */
$brand: #1166cc;
/* SwiftUI */
Color(red: 0.067, green: 0.400, blue: 0.800)
/* Android */
Color.parseColor("#1166cc")Accessibility — WCAG contrast
Aa
#1166cc on white: 5.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1166cc on black: 3.80:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.7%
Green40.0%
Blue80.0%
CMYK percentages
Cyan91.7%
Magenta50.0%
Yellow0.0%
Key (black)20.0%
Color previews
#1166cc text on a black background
contrast 3.80:1
Card sample
#1166cc text on a white background
contrast 5.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1166cc;
Background color
Panel with #1166cc background
background-color: #1166cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1166cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(17, 102, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 102, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1166cc; background: linear-gradient(135deg, #1166cc, #3911CC);