#28cfef
a balanced, electric cyan · cool · closest name: skyblue
RGB
40, 207, 239
HSL
190°, 86%, 55%
CMYK
83, 13, 0, 6
Luminance
0.5131
Every format
| HEX | #28cfef |
| RGB | rgb(40, 207, 239) |
| HSL | hsl(190, 86%, 55%) |
| CMYK | cmyk(83%, 13%, 0%, 6%) |
| LAB | lab(76.9 -29.5 -27.2) |
| LCH | lch(76.9 40.1 222.7) |
| OKLCH | oklch(0.789 0.133 215.0) |
Copy-ready code
/* CSS */
color: #28cfef;
background-color: #28cfef;
/* Tailwind (arbitrary) */
class="text-[#28cfef] bg-[#28cfef]"
/* SCSS */
$brand: #28cfef;
/* SwiftUI */
Color(red: 0.157, green: 0.812, blue: 0.937)
/* Android */
Color.parseColor("#28cfef")Accessibility — WCAG contrast
Aa
#28cfef on white: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28cfef on black: 11.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green81.2%
Blue93.7%
CMYK percentages
Cyan83.3%
Magenta13.4%
Yellow0.0%
Key (black)6.3%
Color previews
#28cfef text on a black background
contrast 11.26:1
Card sample
#28cfef text on a white background
contrast 1.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28cfef;
Background color
Panel with #28cfef background
background-color: #28cfef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28cfef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 207, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 207, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28cfef; background: linear-gradient(135deg, #28cfef, #284BEF);