#166dec
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 109, 236
HSL
216°, 85%, 51%
CMYK
91, 54, 0, 8
Luminance
0.1716
Every format
| HEX | #166dec |
| RGB | rgb(22, 109, 236) |
| HSL | hsl(216, 85%, 51%) |
| CMYK | cmyk(91%, 54%, 0%, 8%) |
| LAB | lab(48.5 24.1 -70.5) |
| LCH | lch(48.5 74.5 288.9) |
| OKLCH | oklch(0.564 0.207 259.4) |
Copy-ready code
/* CSS */
color: #166dec;
background-color: #166dec;
/* Tailwind (arbitrary) */
class="text-[#166dec] bg-[#166dec]"
/* SCSS */
$brand: #166dec;
/* SwiftUI */
Color(red: 0.086, green: 0.427, blue: 0.925)
/* Android */
Color.parseColor("#166dec")Accessibility — WCAG contrast
Aa
#166dec on white: 4.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#166dec on black: 4.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green42.7%
Blue92.5%
CMYK percentages
Cyan90.7%
Magenta53.8%
Yellow0.0%
Key (black)7.5%
Color previews
#166dec text on a black background
contrast 4.43:1
Card sample
#166dec text on a white background
contrast 4.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #166dec;
Background color
Panel with #166dec background
background-color: #166dec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #166dec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 109, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 109, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #166dec; background: linear-gradient(135deg, #166dec, #4E16EC);