#28b3df
a balanced, vivid cyan · cool · closest name: skyblue
RGB
40, 179, 223
HSL
194°, 74%, 52%
CMYK
82, 20, 0, 13
Luminance
0.3802
Every format
| HEX | #28b3df |
| RGB | rgb(40, 179, 223) |
| HSL | hsl(194, 74%, 52%) |
| CMYK | cmyk(82%, 20%, 0%, 13%) |
| LAB | lab(68.0 -20.6 -32.2) |
| LCH | lch(68.0 38.2 237.4) |
| OKLCH | oklch(0.716 0.127 225.3) |
Copy-ready code
/* CSS */
color: #28b3df;
background-color: #28b3df;
/* Tailwind (arbitrary) */
class="text-[#28b3df] bg-[#28b3df]"
/* SCSS */
$brand: #28b3df;
/* SwiftUI */
Color(red: 0.157, green: 0.702, blue: 0.875)
/* Android */
Color.parseColor("#28b3df")Accessibility — WCAG contrast
Aa
#28b3df on white: 2.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28b3df on black: 8.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green70.2%
Blue87.5%
CMYK percentages
Cyan82.1%
Magenta19.7%
Yellow0.0%
Key (black)12.5%
Color previews
#28b3df text on a black background
contrast 8.60:1
Card sample
#28b3df text on a white background
contrast 2.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28b3df;
Background color
Panel with #28b3df background
background-color: #28b3df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28b3df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 179, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 179, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28b3df; background: linear-gradient(135deg, #28b3df, #2839DF);