#1663f3
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 99, 243
HSL
219°, 90%, 52%
CMYK
91, 59, 0, 5
Luminance
0.1557
Every format
| HEX | #1663f3 |
| RGB | rgb(22, 99, 243) |
| HSL | hsl(219, 90%, 52%) |
| CMYK | cmyk(91%, 59%, 0%, 5%) |
| LAB | lab(46.4 33.2 -77.8) |
| LCH | lch(46.4 84.5 293.1) |
| OKLCH | oklch(0.550 0.228 261.7) |
Copy-ready code
/* CSS */
color: #1663f3;
background-color: #1663f3;
/* Tailwind (arbitrary) */
class="text-[#1663f3] bg-[#1663f3]"
/* SCSS */
$brand: #1663f3;
/* SwiftUI */
Color(red: 0.086, green: 0.388, blue: 0.953)
/* Android */
Color.parseColor("#1663f3")Accessibility — WCAG contrast
Aa
#1663f3 on white: 5.11:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1663f3 on black: 4.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green38.8%
Blue95.3%
CMYK percentages
Cyan90.9%
Magenta59.3%
Yellow0.0%
Key (black)4.7%
Color previews
#1663f3 text on a black background
contrast 4.11:1
Card sample
#1663f3 text on a white background
contrast 5.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1663f3;
Background color
Panel with #1663f3 background
background-color: #1663f3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1663f3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 99, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 99, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1663f3; background: linear-gradient(135deg, #1663f3, #5C16F3);