#28dfdb
a balanced, vivid cyan · cool · closest name: turquoise
RGB
40, 223, 219
HSL
179°, 74%, 52%
CMYK
82, 0, 2, 13
Luminance
0.5834
Every format
| HEX | #28dfdb |
| RGB | rgb(40, 223, 219) |
| HSL | hsl(179, 74%, 52%) |
| CMYK | cmyk(82%, 0%, 2%, 13%) |
| LAB | lab(80.9 -43.0 -10.4) |
| LCH | lch(80.9 44.2 193.6) |
| OKLCH | oklch(0.820 0.135 192.5) |
Copy-ready code
/* CSS */
color: #28dfdb;
background-color: #28dfdb;
/* Tailwind (arbitrary) */
class="text-[#28dfdb] bg-[#28dfdb]"
/* SCSS */
$brand: #28dfdb;
/* SwiftUI */
Color(red: 0.157, green: 0.875, blue: 0.859)
/* Android */
Color.parseColor("#28dfdb")Accessibility — WCAG contrast
Aa
#28dfdb on white: 1.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28dfdb on black: 12.67:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green87.5%
Blue85.9%
CMYK percentages
Cyan82.1%
Magenta0.0%
Yellow1.8%
Key (black)12.5%
Color previews
#28dfdb text on a black background
contrast 12.67:1
Card sample
#28dfdb text on a white background
contrast 1.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28dfdb;
Background color
Panel with #28dfdb background
background-color: #28dfdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28dfdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 223, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 223, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28dfdb; background: linear-gradient(135deg, #28dfdb, #2869DF);