#28bdf4
a balanced, electric cyan · cool · closest name: skyblue
RGB
40, 189, 244
HSL
196°, 90%, 56%
CMYK
84, 23, 0, 4
Luminance
0.4338
Every format
| HEX | #28bdf4 |
| RGB | rgb(40, 189, 244) |
| HSL | hsl(196, 90%, 56%) |
| CMYK | cmyk(84%, 23%, 0%, 4%) |
| LAB | lab(71.8 -18.8 -37.7) |
| LCH | lch(71.8 42.1 243.6) |
| OKLCH | oklch(0.749 0.140 229.4) |
Copy-ready code
/* CSS */
color: #28bdf4;
background-color: #28bdf4;
/* Tailwind (arbitrary) */
class="text-[#28bdf4] bg-[#28bdf4]"
/* SCSS */
$brand: #28bdf4;
/* SwiftUI */
Color(red: 0.157, green: 0.741, blue: 0.957)
/* Android */
Color.parseColor("#28bdf4")Accessibility — WCAG contrast
Aa
#28bdf4 on white: 2.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28bdf4 on black: 9.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green74.1%
Blue95.7%
CMYK percentages
Cyan83.6%
Magenta22.5%
Yellow0.0%
Key (black)4.3%
Color previews
#28bdf4 text on a black background
contrast 9.68:1
Card sample
#28bdf4 text on a white background
contrast 2.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28bdf4;
Background color
Panel with #28bdf4 background
background-color: #28bdf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28bdf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 189, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 189, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28bdf4; background: linear-gradient(135deg, #28bdf4, #2835F4);