#28daeb
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 218, 235
HSL
185°, 83%, 54%
CMYK
83, 7, 0, 8
Luminance
0.5659
Every format
| HEX | #28daeb |
| RGB | rgb(40, 218, 235) |
| HSL | hsl(185, 83%, 54%) |
| CMYK | cmyk(83%, 7%, 0%, 8%) |
| LAB | lab(80.0 -36.0 -20.4) |
| LCH | lch(80.0 41.4 209.6) |
| OKLCH | oklch(0.813 0.133 205.3) |
Copy-ready code
/* CSS */
color: #28daeb;
background-color: #28daeb;
/* Tailwind (arbitrary) */
class="text-[#28daeb] bg-[#28daeb]"
/* SCSS */
$brand: #28daeb;
/* SwiftUI */
Color(red: 0.157, green: 0.855, blue: 0.922)
/* Android */
Color.parseColor("#28daeb")Accessibility — WCAG contrast
Aa
#28daeb on white: 1.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28daeb on black: 12.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green85.5%
Blue92.2%
CMYK percentages
Cyan83.0%
Magenta7.2%
Yellow0.0%
Key (black)7.8%
Color previews
#28daeb text on a black background
contrast 12.32:1
Card sample
#28daeb text on a white background
contrast 1.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28daeb;
Background color
Panel with #28daeb background
background-color: #28daeb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28daeb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 218, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 218, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28daeb; background: linear-gradient(135deg, #28daeb, #2858EB);