#166eb1
a dark, electric blue · cool · closest name: steelblue
RGB
22, 110, 177
HSL
206°, 78%, 39%
CMYK
88, 38, 0, 31
Luminance
0.1450
Every format
| HEX | #166eb1 |
| RGB | rgb(22, 110, 177) |
| HSL | hsl(206, 78%, 39%) |
| CMYK | cmyk(88%, 38%, 0%, 31%) |
| LAB | lab(44.9 0.4 -42.4) |
| LCH | lch(44.9 42.4 270.5) |
| OKLCH | oklch(0.524 0.131 247.8) |
Copy-ready code
/* CSS */
color: #166eb1;
background-color: #166eb1;
/* Tailwind (arbitrary) */
class="text-[#166eb1] bg-[#166eb1]"
/* SCSS */
$brand: #166eb1;
/* SwiftUI */
Color(red: 0.086, green: 0.431, blue: 0.694)
/* Android */
Color.parseColor("#166eb1")Accessibility — WCAG contrast
Aa
#166eb1 on white: 5.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#166eb1 on black: 3.90:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green43.1%
Blue69.4%
CMYK percentages
Cyan87.6%
Magenta37.9%
Yellow0.0%
Key (black)30.6%
Color previews
#166eb1 text on a black background
contrast 3.90:1
Card sample
#166eb1 text on a white background
contrast 5.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #166eb1;
Background color
Panel with #166eb1 background
background-color: #166eb1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #166eb1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 110, 177, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 110, 177, 0.45);
Border & gradient
Gradient panel
border: 3px solid #166eb1; background: linear-gradient(135deg, #166eb1, #2516B1);