#15ade4
a balanced, electric cyan · cool · closest name: steelblue
RGB
21, 173, 228
HSL
196°, 83%, 49%
CMYK
91, 24, 0, 11
Luminance
0.3565
Every format
| HEX | #15ade4 |
| RGB | rgb(21, 173, 228) |
| HSL | hsl(196, 83%, 49%) |
| CMYK | cmyk(91%, 24%, 0%, 11%) |
| LAB | lab(66.3 -16.9 -37.7) |
| LCH | lch(66.3 41.3 245.8) |
| OKLCH | oklch(0.702 0.138 230.7) |
Copy-ready code
/* CSS */
color: #15ade4;
background-color: #15ade4;
/* Tailwind (arbitrary) */
class="text-[#15ade4] bg-[#15ade4]"
/* SCSS */
$brand: #15ade4;
/* SwiftUI */
Color(red: 0.082, green: 0.678, blue: 0.894)
/* Android */
Color.parseColor("#15ade4")Accessibility — WCAG contrast
Aa
#15ade4 on white: 2.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#15ade4 on black: 8.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green67.8%
Blue89.4%
CMYK percentages
Cyan90.8%
Magenta24.1%
Yellow0.0%
Key (black)10.6%
Color previews
#15ade4 text on a black background
contrast 8.13:1
Card sample
#15ade4 text on a white background
contrast 2.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #15ade4;
Background color
Panel with #15ade4 background
background-color: #15ade4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #15ade4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 173, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 173, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #15ade4; background: linear-gradient(135deg, #15ade4, #1523E4);