#28deee
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 222, 238
HSL
185°, 85%, 55%
CMYK
83, 7, 0, 7
Luminance
0.5887
Every format
| HEX | #28deee |
| RGB | rgb(40, 222, 238) |
| HSL | hsl(185, 85%, 55%) |
| CMYK | cmyk(83%, 7%, 0%, 7%) |
| LAB | lab(81.2 -36.9 -20.1) |
| LCH | lch(81.2 42.0 208.5) |
| OKLCH | oklch(0.824 0.135 204.5) |
Copy-ready code
/* CSS */
color: #28deee;
background-color: #28deee;
/* Tailwind (arbitrary) */
class="text-[#28deee] bg-[#28deee]"
/* SCSS */
$brand: #28deee;
/* SwiftUI */
Color(red: 0.157, green: 0.871, blue: 0.933)
/* Android */
Color.parseColor("#28deee")Accessibility — WCAG contrast
Aa
#28deee on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28deee on black: 12.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green87.1%
Blue93.3%
CMYK percentages
Cyan83.2%
Magenta6.7%
Yellow0.0%
Key (black)6.7%
Color previews
#28deee text on a black background
contrast 12.77:1
Card sample
#28deee text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28deee;
Background color
Panel with #28deee background
background-color: #28deee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28deee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 222, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 222, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28deee; background: linear-gradient(135deg, #28deee, #285AEE);