#21ade6
a balanced, electric cyan · cool · closest name: steelblue
RGB
33, 173, 230
HSL
197°, 80%, 52%
CMYK
86, 25, 0, 10
Luminance
0.3592
Every format
| HEX | #21ade6 |
| RGB | rgb(33, 173, 230) |
| HSL | hsl(197, 80%, 52%) |
| CMYK | cmyk(86%, 25%, 0%, 10%) |
| LAB | lab(66.5 -15.6 -38.5) |
| LCH | lch(66.5 41.5 248.0) |
| OKLCH | oklch(0.704 0.137 232.4) |
Copy-ready code
/* CSS */
color: #21ade6;
background-color: #21ade6;
/* Tailwind (arbitrary) */
class="text-[#21ade6] bg-[#21ade6]"
/* SCSS */
$brand: #21ade6;
/* SwiftUI */
Color(red: 0.129, green: 0.678, blue: 0.902)
/* Android */
Color.parseColor("#21ade6")Accessibility — WCAG contrast
Aa
#21ade6 on white: 2.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21ade6 on black: 8.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green67.8%
Blue90.2%
CMYK percentages
Cyan85.7%
Magenta24.8%
Yellow0.0%
Key (black)9.8%
Color previews
#21ade6 text on a black background
contrast 8.18:1
Card sample
#21ade6 text on a white background
contrast 2.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21ade6;
Background color
Panel with #21ade6 background
background-color: #21ade6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21ade6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 173, 230, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 173, 230, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21ade6; background: linear-gradient(135deg, #21ade6, #212AE6);