#18b9df
a balanced, electric cyan · cool · closest name: skyblue
RGB
24, 185, 223
HSL
192°, 81%, 48%
CMYK
89, 17, 0, 13
Luminance
0.4022
Every format
| HEX | #18b9df |
| RGB | rgb(24, 185, 223) |
| HSL | hsl(192, 81%, 48%) |
| CMYK | cmyk(89%, 17%, 0%, 13%) |
| LAB | lab(69.6 -24.8 -29.7) |
| LCH | lch(69.6 38.7 230.2) |
| OKLCH | oklch(0.728 0.129 220.2) |
Copy-ready code
/* CSS */
color: #18b9df;
background-color: #18b9df;
/* Tailwind (arbitrary) */
class="text-[#18b9df] bg-[#18b9df]"
/* SCSS */
$brand: #18b9df;
/* SwiftUI */
Color(red: 0.094, green: 0.725, blue: 0.875)
/* Android */
Color.parseColor("#18b9df")Accessibility — WCAG contrast
Aa
#18b9df on white: 2.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#18b9df on black: 9.04:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green72.5%
Blue87.5%
CMYK percentages
Cyan89.2%
Magenta17.0%
Yellow0.0%
Key (black)12.5%
Color previews
#18b9df text on a black background
contrast 9.04:1
Card sample
#18b9df text on a white background
contrast 2.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #18b9df;
Background color
Panel with #18b9df background
background-color: #18b9df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #18b9df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 185, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 185, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #18b9df; background: linear-gradient(135deg, #18b9df, #1834DF);