#1166dd
a balanced, electric blue · cool · closest name: royalblue
RGB
17, 102, 221
HSL
215°, 86%, 47%
CMYK
92, 54, 0, 13
Luminance
0.1484
Every format
| HEX | #1166dd |
| RGB | rgb(17, 102, 221) |
| HSL | hsl(215, 86%, 47%) |
| CMYK | cmyk(92%, 54%, 0%, 13%) |
| LAB | lab(45.4 22.6 -67.0) |
| LCH | lch(45.4 70.7 288.6) |
| OKLCH | oklch(0.537 0.197 259.0) |
Copy-ready code
/* CSS */
color: #1166dd;
background-color: #1166dd;
/* Tailwind (arbitrary) */
class="text-[#1166dd] bg-[#1166dd]"
/* SCSS */
$brand: #1166dd;
/* SwiftUI */
Color(red: 0.067, green: 0.400, blue: 0.867)
/* Android */
Color.parseColor("#1166dd")Accessibility — WCAG contrast
Aa
#1166dd on white: 5.29:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1166dd on black: 3.97:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.7%
Green40.0%
Blue86.7%
CMYK percentages
Cyan92.3%
Magenta53.8%
Yellow0.0%
Key (black)13.3%
Color previews
#1166dd text on a black background
contrast 3.97:1
Card sample
#1166dd text on a white background
contrast 5.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1166dd;
Background color
Panel with #1166dd background
background-color: #1166dd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1166dd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(17, 102, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 102, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1166dd; background: linear-gradient(135deg, #1166dd, #4411DD);