#28ade7
a balanced, electric cyan · cool · closest name: steelblue
RGB
40, 173, 231
HSL
198°, 80%, 53%
CMYK
83, 25, 0, 9
Luminance
0.3611
Every format
| HEX | #28ade7 |
| RGB | rgb(40, 173, 231) |
| HSL | hsl(198, 80%, 53%) |
| CMYK | cmyk(83%, 25%, 0%, 9%) |
| LAB | lab(66.6 -14.7 -38.8) |
| LCH | lch(66.6 41.5 249.2) |
| OKLCH | oklch(0.705 0.136 233.4) |
Copy-ready code
/* CSS */
color: #28ade7;
background-color: #28ade7;
/* Tailwind (arbitrary) */
class="text-[#28ade7] bg-[#28ade7]"
/* SCSS */
$brand: #28ade7;
/* SwiftUI */
Color(red: 0.157, green: 0.678, blue: 0.906)
/* Android */
Color.parseColor("#28ade7")Accessibility — WCAG contrast
Aa
#28ade7 on white: 2.55:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28ade7 on black: 8.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green67.8%
Blue90.6%
CMYK percentages
Cyan82.7%
Magenta25.1%
Yellow0.0%
Key (black)9.4%
Color previews
#28ade7 text on a black background
contrast 8.22:1
Card sample
#28ade7 text on a white background
contrast 2.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28ade7;
Background color
Panel with #28ade7 background
background-color: #28ade7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28ade7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 173, 231, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 173, 231, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28ade7; background: linear-gradient(135deg, #28ade7, #282EE7);