#28c9da
a balanced, vivid cyan · cool · closest name: skyblue
RGB
40, 201, 218
HSL
186°, 71%, 51%
CMYK
82, 8, 0, 15
Luminance
0.4729
Every format
| HEX | #28c9da |
| RGB | rgb(40, 201, 218) |
| HSL | hsl(186, 71%, 51%) |
| CMYK | cmyk(82%, 8%, 0%, 15%) |
| LAB | lab(74.4 -33.2 -19.7) |
| LCH | lch(74.4 38.6 210.8) |
| OKLCH | oklch(0.766 0.124 206.2) |
Copy-ready code
/* CSS */
color: #28c9da;
background-color: #28c9da;
/* Tailwind (arbitrary) */
class="text-[#28c9da] bg-[#28c9da]"
/* SCSS */
$brand: #28c9da;
/* SwiftUI */
Color(red: 0.157, green: 0.788, blue: 0.855)
/* Android */
Color.parseColor("#28c9da")Accessibility — WCAG contrast
Aa
#28c9da on white: 2.01:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28c9da on black: 10.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green78.8%
Blue85.5%
CMYK percentages
Cyan81.7%
Magenta7.8%
Yellow0.0%
Key (black)14.5%
Color previews
#28c9da text on a black background
contrast 10.46:1
Card sample
#28c9da text on a white background
contrast 2.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28c9da;
Background color
Panel with #28c9da background
background-color: #28c9da;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28c9da;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 201, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 201, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28c9da; background: linear-gradient(135deg, #28c9da, #2852DA);