#28fdf3
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 253, 243
HSL
177°, 98%, 58%
CMYK
84, 0, 4, 1
Luminance
0.7717
Every format
| HEX | #28fdf3 |
| RGB | rgb(40, 253, 243) |
| HSL | hsl(177, 98%, 58%) |
| CMYK | cmyk(84%, 0%, 4%, 1%) |
| LAB | lab(90.4 -49.2 -8.9) |
| LCH | lch(90.4 50.0 190.3) |
| OKLCH | oklch(0.899 0.151 189.6) |
Copy-ready code
/* CSS */
color: #28fdf3;
background-color: #28fdf3;
/* Tailwind (arbitrary) */
class="text-[#28fdf3] bg-[#28fdf3]"
/* SCSS */
$brand: #28fdf3;
/* SwiftUI */
Color(red: 0.157, green: 0.992, blue: 0.953)
/* Android */
Color.parseColor("#28fdf3")Accessibility — WCAG contrast
Aa
#28fdf3 on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28fdf3 on black: 16.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green99.2%
Blue95.3%
CMYK percentages
Cyan84.2%
Magenta0.0%
Yellow4.0%
Key (black)0.8%
Color previews
#28fdf3 text on a black background
contrast 16.43:1
Card sample
#28fdf3 text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28fdf3;
Background color
Panel with #28fdf3 background
background-color: #28fdf3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28fdf3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 253, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 253, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28fdf3; background: linear-gradient(135deg, #28fdf3, #2879FD);