#28fdf6
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 253, 246
HSL
178°, 98%, 58%
CMYK
84, 0, 3, 1
Luminance
0.7736
Every format
| HEX | #28fdf6 |
| RGB | rgb(40, 253, 246) |
| HSL | hsl(178, 98%, 58%) |
| CMYK | cmyk(84%, 0%, 3%, 1%) |
| LAB | lab(90.5 -48.4 -10.4) |
| LCH | lch(90.5 49.5 192.1) |
| OKLCH | oklch(0.900 0.150 191.2) |
Copy-ready code
/* CSS */
color: #28fdf6;
background-color: #28fdf6;
/* Tailwind (arbitrary) */
class="text-[#28fdf6] bg-[#28fdf6]"
/* SCSS */
$brand: #28fdf6;
/* SwiftUI */
Color(red: 0.157, green: 0.992, blue: 0.965)
/* Android */
Color.parseColor("#28fdf6")Accessibility — WCAG contrast
Aa
#28fdf6 on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28fdf6 on black: 16.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green99.2%
Blue96.5%
CMYK percentages
Cyan84.2%
Magenta0.0%
Yellow2.8%
Key (black)0.8%
Color previews
#28fdf6 text on a black background
contrast 16.47:1
Card sample
#28fdf6 text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28fdf6;
Background color
Panel with #28fdf6 background
background-color: #28fdf6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28fdf6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 253, 246, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 253, 246, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28fdf6; background: linear-gradient(135deg, #28fdf6, #2876FD);