#28dfd1
a balanced, vivid cyan · cool · “turquoise”
RGB
40, 223, 209
HSL
175°, 74%, 52%
CMYK
82, 0, 6, 13
Luminance
0.5783
Every format
| HEX | #28dfd1 |
| RGB | rgb(40, 223, 209) |
| HSL | hsl(175, 74%, 52%) |
| CMYK | cmyk(82%, 0%, 6%, 13%) |
| LAB | lab(80.6 -45.8 -5.5) |
| LCH | lch(80.6 46.1 186.9) |
| OKLCH | oklch(0.816 0.137 186.6) |
Copy-ready code
/* CSS */
color: #28dfd1;
background-color: #28dfd1;
/* Tailwind (arbitrary) */
class="text-[#28dfd1] bg-[#28dfd1]"
/* SCSS */
$brand: #28dfd1;
/* SwiftUI */
Color(red: 0.157, green: 0.875, blue: 0.820)
/* Android */
Color.parseColor("#28dfd1")Accessibility — WCAG contrast
Aa
#28dfd1 on white: 1.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28dfd1 on black: 12.57:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green87.5%
Blue82.0%
CMYK percentages
Cyan82.1%
Magenta0.0%
Yellow6.3%
Key (black)12.5%
Color previews
#28dfd1 text on a black background
contrast 12.57:1
Card sample
#28dfd1 text on a white background
contrast 1.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28dfd1;
Background color
Panel with #28dfd1 background
background-color: #28dfd1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28dfd1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 223, 209, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 223, 209, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28dfd1; background: linear-gradient(135deg, #28dfd1, #2873DF);