#28fdff
a balanced, electric cyan · cool · “cyan”
RGB
40, 253, 255
HSL
181°, 100%, 58%
CMYK
84, 1, 0, 0
Luminance
0.7792
Every format
| HEX | #28fdff |
| RGB | rgb(40, 253, 255) |
| HSL | hsl(181, 100%, 58%) |
| CMYK | cmyk(84%, 1%, 0%, 0%) |
| LAB | lab(90.7 -45.9 -14.7) |
| LCH | lch(90.7 48.2 197.7) |
| OKLCH | oklch(0.903 0.149 195.9) |
Copy-ready code
/* CSS */
color: #28fdff;
background-color: #28fdff;
/* Tailwind (arbitrary) */
class="text-[#28fdff] bg-[#28fdff]"
/* SCSS */
$brand: #28fdff;
/* SwiftUI */
Color(red: 0.157, green: 0.992, blue: 1.000)
/* Android */
Color.parseColor("#28fdff")Accessibility — WCAG contrast
Aa
#28fdff on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28fdff on black: 16.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green99.2%
Blue100.0%
CMYK percentages
Cyan84.3%
Magenta0.8%
Yellow0.0%
Key (black)0.0%
Color previews
#28fdff text on a black background
contrast 16.58:1
Card sample
#28fdff text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28fdff;
Background color
Panel with #28fdff background
background-color: #28fdff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28fdff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 253, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 253, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28fdff; background: linear-gradient(135deg, #28fdff, #286DFF);