#1663fb
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 99, 251
HSL
220°, 97%, 54%
CMYK
91, 61, 0, 2
Luminance
0.1606
Every format
| HEX | #1663fb |
| RGB | rgb(22, 99, 251) |
| HSL | hsl(220, 97%, 54%) |
| CMYK | cmyk(91%, 61%, 0%, 2%) |
| LAB | lab(47.0 36.2 -81.2) |
| LCH | lch(47.0 88.9 294.0) |
| OKLCH | oklch(0.557 0.237 262.1) |
Copy-ready code
/* CSS */
color: #1663fb;
background-color: #1663fb;
/* Tailwind (arbitrary) */
class="text-[#1663fb] bg-[#1663fb]"
/* SCSS */
$brand: #1663fb;
/* SwiftUI */
Color(red: 0.086, green: 0.388, blue: 0.984)
/* Android */
Color.parseColor("#1663fb")Accessibility — WCAG contrast
Aa
#1663fb on white: 4.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1663fb on black: 4.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green38.8%
Blue98.4%
CMYK percentages
Cyan91.2%
Magenta60.6%
Yellow0.0%
Key (black)1.6%
Color previews
#1663fb text on a black background
contrast 4.21:1
Card sample
#1663fb text on a white background
contrast 4.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1663fb;
Background color
Panel with #1663fb background
background-color: #1663fb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1663fb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 99, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 99, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1663fb; background: linear-gradient(135deg, #1663fb, #6116FB);