#166fdc
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 111, 220
HSL
213°, 82%, 48%
CMYK
90, 50, 0, 14
Luminance
0.1671
Every format
| HEX | #166fdc |
| RGB | rgb(22, 111, 220) |
| HSL | hsl(213, 82%, 48%) |
| CMYK | cmyk(90%, 50%, 0%, 14%) |
| LAB | lab(47.9 16.6 -62.4) |
| LCH | lch(47.9 64.6 284.9) |
| OKLCH | oklch(0.556 0.185 257.0) |
Copy-ready code
/* CSS */
color: #166fdc;
background-color: #166fdc;
/* Tailwind (arbitrary) */
class="text-[#166fdc] bg-[#166fdc]"
/* SCSS */
$brand: #166fdc;
/* SwiftUI */
Color(red: 0.086, green: 0.435, blue: 0.863)
/* Android */
Color.parseColor("#166fdc")Accessibility — WCAG contrast
Aa
#166fdc on white: 4.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#166fdc on black: 4.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green43.5%
Blue86.3%
CMYK percentages
Cyan90.0%
Magenta49.5%
Yellow0.0%
Key (black)13.7%
Color previews
#166fdc text on a black background
contrast 4.34:1
Card sample
#166fdc text on a white background
contrast 4.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #166fdc;
Background color
Panel with #166fdc background
background-color: #166fdc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #166fdc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 111, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 111, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #166fdc; background: linear-gradient(135deg, #166fdc, #4116DC);