#28f4fd
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 244, 253
HSL
183°, 98%, 58%
CMYK
84, 4, 0, 1
Luminance
0.7224
Every format
| HEX | #28f4fd |
| RGB | rgb(40, 244, 253) |
| HSL | hsl(183, 98%, 58%) |
| CMYK | cmyk(84%, 4%, 0%, 1%) |
| LAB | lab(88.1 -42.5 -17.6) |
| LCH | lch(88.1 46.0 202.5) |
| OKLCH | oklch(0.881 0.145 199.8) |
Copy-ready code
/* CSS */
color: #28f4fd;
background-color: #28f4fd;
/* Tailwind (arbitrary) */
class="text-[#28f4fd] bg-[#28f4fd]"
/* SCSS */
$brand: #28f4fd;
/* SwiftUI */
Color(red: 0.157, green: 0.957, blue: 0.992)
/* Android */
Color.parseColor("#28f4fd")Accessibility — WCAG contrast
Aa
#28f4fd on white: 1.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28f4fd on black: 15.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green95.7%
Blue99.2%
CMYK percentages
Cyan84.2%
Magenta3.6%
Yellow0.0%
Key (black)0.8%
Color previews
#28f4fd text on a black background
contrast 15.45:1
Card sample
#28f4fd text on a white background
contrast 1.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28f4fd;
Background color
Panel with #28f4fd background
background-color: #28f4fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28f4fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 244, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 244, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28f4fd; background: linear-gradient(135deg, #28f4fd, #2866FD);