#1663ff
a balanced, electric blue · cool · closest name: royalblue
RGB
22, 99, 255
HSL
220°, 100%, 54%
CMYK
91, 61, 0, 0
Luminance
0.1631
Every format
| HEX | #1663ff |
| RGB | rgb(22, 99, 255) |
| HSL | hsl(220, 100%, 54%) |
| CMYK | cmyk(91%, 61%, 0%, 0%) |
| LAB | lab(47.4 37.6 -82.9) |
| LCH | lch(47.4 91.0 294.4) |
| OKLCH | oklch(0.560 0.242 262.3) |
Copy-ready code
/* CSS */
color: #1663ff;
background-color: #1663ff;
/* Tailwind (arbitrary) */
class="text-[#1663ff] bg-[#1663ff]"
/* SCSS */
$brand: #1663ff;
/* SwiftUI */
Color(red: 0.086, green: 0.388, blue: 1.000)
/* Android */
Color.parseColor("#1663ff")Accessibility — WCAG contrast
Aa
#1663ff on white: 4.93:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1663ff on black: 4.26:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green38.8%
Blue100.0%
CMYK percentages
Cyan91.4%
Magenta61.2%
Yellow0.0%
Key (black)0.0%
Color previews
#1663ff text on a black background
contrast 4.26:1
Card sample
#1663ff text on a white background
contrast 4.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1663ff;
Background color
Panel with #1663ff background
background-color: #1663ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1663ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 99, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 99, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1663ff; background: linear-gradient(135deg, #1663ff, #6416FF);