#28cdf4
a balanced, electric cyan · cool · closest name: skyblue
RGB
40, 205, 244
HSL
192°, 90%, 56%
CMYK
84, 16, 0, 4
Luminance
0.5065
Every format
| HEX | #28cdf4 |
| RGB | rgb(40, 205, 244) |
| HSL | hsl(192, 90%, 56%) |
| CMYK | cmyk(84%, 16%, 0%, 4%) |
| LAB | lab(76.5 -26.9 -30.5) |
| LCH | lch(76.5 40.7 228.6) |
| OKLCH | oklch(0.786 0.136 219.1) |
Copy-ready code
/* CSS */
color: #28cdf4;
background-color: #28cdf4;
/* Tailwind (arbitrary) */
class="text-[#28cdf4] bg-[#28cdf4]"
/* SCSS */
$brand: #28cdf4;
/* SwiftUI */
Color(red: 0.157, green: 0.804, blue: 0.957)
/* Android */
Color.parseColor("#28cdf4")Accessibility — WCAG contrast
Aa
#28cdf4 on white: 1.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28cdf4 on black: 11.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green80.4%
Blue95.7%
CMYK percentages
Cyan83.6%
Magenta16.0%
Yellow0.0%
Key (black)4.3%
Color previews
#28cdf4 text on a black background
contrast 11.13:1
Card sample
#28cdf4 text on a white background
contrast 1.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28cdf4;
Background color
Panel with #28cdf4 background
background-color: #28cdf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28cdf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 205, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 205, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28cdf4; background: linear-gradient(135deg, #28cdf4, #2845F4);