#28bddf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
40, 189, 223
HSL
191°, 74%, 52%
CMYK
82, 15, 0, 13
Luminance
0.4217
Every format
| HEX | #28bddf |
| RGB | rgb(40, 189, 223) |
| HSL | hsl(191, 74%, 52%) |
| CMYK | cmyk(82%, 15%, 0%, 13%) |
| LAB | lab(71.0 -25.7 -27.6) |
| LCH | lch(71.0 37.7 227.0) |
| OKLCH | oklch(0.740 0.125 218.1) |
Copy-ready code
/* CSS */
color: #28bddf;
background-color: #28bddf;
/* Tailwind (arbitrary) */
class="text-[#28bddf] bg-[#28bddf]"
/* SCSS */
$brand: #28bddf;
/* SwiftUI */
Color(red: 0.157, green: 0.741, blue: 0.875)
/* Android */
Color.parseColor("#28bddf")Accessibility — WCAG contrast
Aa
#28bddf on white: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28bddf on black: 9.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green74.1%
Blue87.5%
CMYK percentages
Cyan82.1%
Magenta15.2%
Yellow0.0%
Key (black)12.5%
Color previews
#28bddf text on a black background
contrast 9.43:1
Card sample
#28bddf text on a white background
contrast 2.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28bddf;
Background color
Panel with #28bddf background
background-color: #28bddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28bddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 189, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 189, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28bddf; background: linear-gradient(135deg, #28bddf, #2843DF);