#166cf7
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 108, 247
HSL
217°, 93%, 53%
CMYK
91, 56, 0, 3
Luminance
0.1761
Every format
| HEX | #166cf7 |
| RGB | rgb(22, 108, 247) |
| HSL | hsl(217, 93%, 53%) |
| CMYK | cmyk(91%, 56%, 0%, 3%) |
| LAB | lab(49.0 28.9 -75.7) |
| LCH | lch(49.0 81.1 290.9) |
| OKLCH | oklch(0.571 0.222 260.5) |
Copy-ready code
/* CSS */
color: #166cf7;
background-color: #166cf7;
/* Tailwind (arbitrary) */
class="text-[#166cf7] bg-[#166cf7]"
/* SCSS */
$brand: #166cf7;
/* SwiftUI */
Color(red: 0.086, green: 0.424, blue: 0.969)
/* Android */
Color.parseColor("#166cf7")Accessibility — WCAG contrast
Aa
#166cf7 on white: 4.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#166cf7 on black: 4.52:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green42.4%
Blue96.9%
CMYK percentages
Cyan91.1%
Magenta56.3%
Yellow0.0%
Key (black)3.1%
Color previews
#166cf7 text on a black background
contrast 4.52:1
Card sample
#166cf7 text on a white background
contrast 4.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #166cf7;
Background color
Panel with #166cf7 background
background-color: #166cf7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #166cf7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 108, 247, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 108, 247, 0.45);
Border & gradient
Gradient panel
border: 3px solid #166cf7; background: linear-gradient(135deg, #166cf7, #5616F7);