#1663da
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 99, 218
HSL
216°, 82%, 47%
CMYK
90, 55, 0, 15
Luminance
0.1416
Every format
| HEX | #1663da |
| RGB | rgb(22, 99, 218) |
| HSL | hsl(216, 82%, 47%) |
| CMYK | cmyk(90%, 55%, 0%, 15%) |
| LAB | lab(44.5 23.6 -66.8) |
| LCH | lch(44.5 70.9 289.4) |
| OKLCH | oklch(0.529 0.196 259.9) |
Copy-ready code
/* CSS */
color: #1663da;
background-color: #1663da;
/* Tailwind (arbitrary) */
class="text-[#1663da] bg-[#1663da]"
/* SCSS */
$brand: #1663da;
/* SwiftUI */
Color(red: 0.086, green: 0.388, blue: 0.855)
/* Android */
Color.parseColor("#1663da")Accessibility — WCAG contrast
Aa
#1663da on white: 5.48:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1663da on black: 3.83:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green38.8%
Blue85.5%
CMYK percentages
Cyan89.9%
Magenta54.6%
Yellow0.0%
Key (black)14.5%
Color previews
#1663da text on a black background
contrast 3.83:1
Card sample
#1663da text on a white background
contrast 5.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1663da;
Background color
Panel with #1663da background
background-color: #1663da;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1663da;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 99, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 99, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1663da; background: linear-gradient(135deg, #1663da, #4C16DA);