#21dade
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 218, 222
HSL
181°, 74%, 50%
CMYK
85, 2, 0, 13
Luminance
0.5574
Every format
| HEX | #21dade |
| RGB | rgb(33, 218, 222) |
| HSL | hsl(181, 74%, 50%) |
| CMYK | cmyk(85%, 2%, 0%, 13%) |
| LAB | lab(79.5 -40.3 -14.2) |
| LCH | lch(79.5 42.8 199.4) |
| OKLCH | oklch(0.808 0.133 197.3) |
Copy-ready code
/* CSS */
color: #21dade;
background-color: #21dade;
/* Tailwind (arbitrary) */
class="text-[#21dade] bg-[#21dade]"
/* SCSS */
$brand: #21dade;
/* SwiftUI */
Color(red: 0.129, green: 0.855, blue: 0.871)
/* Android */
Color.parseColor("#21dade")Accessibility — WCAG contrast
Aa
#21dade on white: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21dade on black: 12.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green85.5%
Blue87.1%
CMYK percentages
Cyan85.1%
Magenta1.8%
Yellow0.0%
Key (black)12.9%
Color previews
#21dade text on a black background
contrast 12.15:1
Card sample
#21dade text on a white background
contrast 1.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21dade;
Background color
Panel with #21dade background
background-color: #21dade;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21dade;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 218, 222, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 218, 222, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21dade; background: linear-gradient(135deg, #21dade, #215CDE);