#1166ee
a balanced, electric blue · cool · closest name: royalblue
RGB
17, 102, 238
HSL
217°, 87%, 50%
CMYK
93, 57, 0, 7
Luminance
0.1579
Every format
| HEX | #1166ee |
| RGB | rgb(17, 102, 238) |
| HSL | hsl(217, 87%, 50%) |
| CMYK | cmyk(93%, 57%, 0%, 7%) |
| LAB | lab(46.7 29.1 -74.5) |
| LCH | lch(46.7 80.0 291.4) |
| OKLCH | oklch(0.551 0.219 260.5) |
Copy-ready code
/* CSS */
color: #1166ee;
background-color: #1166ee;
/* Tailwind (arbitrary) */
class="text-[#1166ee] bg-[#1166ee]"
/* SCSS */
$brand: #1166ee;
/* SwiftUI */
Color(red: 0.067, green: 0.400, blue: 0.933)
/* Android */
Color.parseColor("#1166ee")Accessibility — WCAG contrast
Aa
#1166ee on white: 5.05:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1166ee on black: 4.16:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.7%
Green40.0%
Blue93.3%
CMYK percentages
Cyan92.9%
Magenta57.1%
Yellow0.0%
Key (black)6.7%
Color previews
#1166ee text on a black background
contrast 4.16:1
Card sample
#1166ee text on a white background
contrast 5.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1166ee;
Background color
Panel with #1166ee background
background-color: #1166ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1166ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(17, 102, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 102, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1166ee; background: linear-gradient(135deg, #1166ee, #4F11EE);