#28b2db
a balanced, vivid cyan · cool · closest name: skyblue
RGB
40, 178, 219
HSL
194°, 71%, 51%
CMYK
82, 19, 0, 14
Luminance
0.3741
Every format
| HEX | #28b2db |
| RGB | rgb(40, 178, 219) |
| HSL | hsl(194, 71%, 51%) |
| CMYK | cmyk(82%, 19%, 0%, 14%) |
| LAB | lab(67.6 -21.4 -30.7) |
| LCH | lch(67.6 37.4 235.1) |
| OKLCH | oklch(0.712 0.125 223.7) |
Copy-ready code
/* CSS */
color: #28b2db;
background-color: #28b2db;
/* Tailwind (arbitrary) */
class="text-[#28b2db] bg-[#28b2db]"
/* SCSS */
$brand: #28b2db;
/* SwiftUI */
Color(red: 0.157, green: 0.698, blue: 0.859)
/* Android */
Color.parseColor("#28b2db")Accessibility — WCAG contrast
Aa
#28b2db on white: 2.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28b2db on black: 8.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green69.8%
Blue85.9%
CMYK percentages
Cyan81.7%
Magenta18.7%
Yellow0.0%
Key (black)14.1%
Color previews
#28b2db text on a black background
contrast 8.48:1
Card sample
#28b2db text on a white background
contrast 2.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28b2db;
Background color
Panel with #28b2db background
background-color: #28b2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28b2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 178, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 178, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28b2db; background: linear-gradient(135deg, #28b2db, #283BDB);