#166cdc
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 108, 220
HSL
214°, 82%, 48%
CMYK
90, 51, 0, 14
Luminance
0.1606
Every format
| HEX | #166cdc |
| RGB | rgb(22, 108, 220) |
| HSL | hsl(214, 82%, 48%) |
| CMYK | cmyk(90%, 51%, 0%, 14%) |
| LAB | lab(47.0 18.5 -63.8) |
| LCH | lch(47.0 66.4 286.2) |
| OKLCH | oklch(0.549 0.188 257.9) |
Copy-ready code
/* CSS */
color: #166cdc;
background-color: #166cdc;
/* Tailwind (arbitrary) */
class="text-[#166cdc] bg-[#166cdc]"
/* SCSS */
$brand: #166cdc;
/* SwiftUI */
Color(red: 0.086, green: 0.424, blue: 0.863)
/* Android */
Color.parseColor("#166cdc")Accessibility — WCAG contrast
Aa
#166cdc on white: 4.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#166cdc on black: 4.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green42.4%
Blue86.3%
CMYK percentages
Cyan90.0%
Magenta50.9%
Yellow0.0%
Key (black)13.7%
Color previews
#166cdc text on a black background
contrast 4.21:1
Card sample
#166cdc text on a white background
contrast 4.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #166cdc;
Background color
Panel with #166cdc background
background-color: #166cdc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #166cdc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 108, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 108, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #166cdc; background: linear-gradient(135deg, #166cdc, #4416DC);