#28d7eb
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 215, 235
HSL
186°, 83%, 54%
CMYK
83, 9, 0, 8
Luminance
0.5505
Every format
| HEX | #28d7eb |
| RGB | rgb(40, 215, 235) |
| HSL | hsl(186, 83%, 54%) |
| CMYK | cmyk(83%, 9%, 0%, 8%) |
| LAB | lab(79.1 -34.6 -21.7) |
| LCH | lch(79.1 40.8 212.2) |
| OKLCH | oklch(0.806 0.132 207.3) |
Copy-ready code
/* CSS */
color: #28d7eb;
background-color: #28d7eb;
/* Tailwind (arbitrary) */
class="text-[#28d7eb] bg-[#28d7eb]"
/* SCSS */
$brand: #28d7eb;
/* SwiftUI */
Color(red: 0.157, green: 0.843, blue: 0.922)
/* Android */
Color.parseColor("#28d7eb")Accessibility — WCAG contrast
Aa
#28d7eb on white: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28d7eb on black: 12.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green84.3%
Blue92.2%
CMYK percentages
Cyan83.0%
Magenta8.5%
Yellow0.0%
Key (black)7.8%
Color previews
#28d7eb text on a black background
contrast 12.01:1
Card sample
#28d7eb text on a white background
contrast 1.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28d7eb;
Background color
Panel with #28d7eb background
background-color: #28d7eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28d7eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 215, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 215, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28d7eb; background: linear-gradient(135deg, #28d7eb, #2855EB);