#28d8eb
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 216, 235
HSL
186°, 83%, 54%
CMYK
83, 8, 0, 8
Luminance
0.5556
Every format
| HEX | #28d8eb |
| RGB | rgb(40, 216, 235) |
| HSL | hsl(186, 83%, 54%) |
| CMYK | cmyk(83%, 8%, 0%, 8%) |
| LAB | lab(79.4 -35.0 -21.3) |
| LCH | lch(79.4 41.0 211.3) |
| OKLCH | oklch(0.808 0.133 206.6) |
Copy-ready code
/* CSS */
color: #28d8eb;
background-color: #28d8eb;
/* Tailwind (arbitrary) */
class="text-[#28d8eb] bg-[#28d8eb]"
/* SCSS */
$brand: #28d8eb;
/* SwiftUI */
Color(red: 0.157, green: 0.847, blue: 0.922)
/* Android */
Color.parseColor("#28d8eb")Accessibility — WCAG contrast
Aa
#28d8eb on white: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28d8eb on black: 12.11:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green84.7%
Blue92.2%
CMYK percentages
Cyan83.0%
Magenta8.1%
Yellow0.0%
Key (black)7.8%
Color previews
#28d8eb text on a black background
contrast 12.11:1
Card sample
#28d8eb text on a white background
contrast 1.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28d8eb;
Background color
Panel with #28d8eb background
background-color: #28d8eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28d8eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 216, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 216, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28d8eb; background: linear-gradient(135deg, #28d8eb, #2856EB);