#1663cf
a dark, electric blue · cool · closest name: royalblue
RGB
22, 99, 207
HSL
215°, 81%, 45%
CMYK
89, 52, 0, 19
Luminance
0.1360
Every format
| HEX | #1663cf |
| RGB | rgb(22, 99, 207) |
| HSL | hsl(215, 81%, 45%) |
| CMYK | cmyk(89%, 52%, 0%, 19%) |
| LAB | lab(43.6 19.3 -61.9) |
| LCH | lch(43.6 64.8 287.3) |
| OKLCH | oklch(0.520 0.182 258.7) |
Copy-ready code
/* CSS */
color: #1663cf;
background-color: #1663cf;
/* Tailwind (arbitrary) */
class="text-[#1663cf] bg-[#1663cf]"
/* SCSS */
$brand: #1663cf;
/* SwiftUI */
Color(red: 0.086, green: 0.388, blue: 0.812)
/* Android */
Color.parseColor("#1663cf")Accessibility — WCAG contrast
Aa
#1663cf on white: 5.65:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1663cf on black: 3.72:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.6%
Green38.8%
Blue81.2%
CMYK percentages
Cyan89.4%
Magenta52.2%
Yellow0.0%
Key (black)18.8%
Color previews
#1663cf text on a black background
contrast 3.72:1
Card sample
#1663cf text on a white background
contrast 5.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1663cf;
Background color
Panel with #1663cf background
background-color: #1663cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1663cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(22, 99, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(22, 99, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1663cf; background: linear-gradient(135deg, #1663cf, #4416CF);