#28b3eb
a balanced, electric cyan · cool · closest name: skyblue
RGB
40, 179, 235
HSL
197°, 83%, 54%
CMYK
83, 24, 0, 8
Luminance
0.3869
Every format
| HEX | #28b3eb |
| RGB | rgb(40, 179, 235) |
| HSL | hsl(197, 83%, 54%) |
| CMYK | cmyk(83%, 24%, 0%, 8%) |
| LAB | lab(68.5 -16.5 -38.0) |
| LCH | lch(68.5 41.4 246.5) |
| OKLCH | oklch(0.721 0.137 231.4) |
Copy-ready code
/* CSS */
color: #28b3eb;
background-color: #28b3eb;
/* Tailwind (arbitrary) */
class="text-[#28b3eb] bg-[#28b3eb]"
/* SCSS */
$brand: #28b3eb;
/* SwiftUI */
Color(red: 0.157, green: 0.702, blue: 0.922)
/* Android */
Color.parseColor("#28b3eb")Accessibility — WCAG contrast
Aa
#28b3eb on white: 2.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28b3eb on black: 8.74:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green70.2%
Blue92.2%
CMYK percentages
Cyan83.0%
Magenta23.8%
Yellow0.0%
Key (black)7.8%
Color previews
#28b3eb text on a black background
contrast 8.74:1
Card sample
#28b3eb text on a white background
contrast 2.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28b3eb;
Background color
Panel with #28b3eb background
background-color: #28b3eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28b3eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 179, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 179, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28b3eb; background: linear-gradient(135deg, #28b3eb, #2831EB);