#21ccdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
33, 204, 223
HSL
186°, 75%, 50%
CMYK
85, 9, 0, 13
Luminance
0.4884
Every format
| HEX | #21ccdf |
| RGB | rgb(33, 204, 223) |
| HSL | hsl(186, 75%, 50%) |
| CMYK | cmyk(85%, 9%, 0%, 13%) |
| LAB | lab(75.3 -33.5 -21.0) |
| LCH | lch(75.3 39.5 212.0) |
| OKLCH | oklch(0.774 0.128 207.1) |
Copy-ready code
/* CSS */
color: #21ccdf;
background-color: #21ccdf;
/* Tailwind (arbitrary) */
class="text-[#21ccdf] bg-[#21ccdf]"
/* SCSS */
$brand: #21ccdf;
/* SwiftUI */
Color(red: 0.129, green: 0.800, blue: 0.875)
/* Android */
Color.parseColor("#21ccdf")Accessibility — WCAG contrast
Aa
#21ccdf on white: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21ccdf on black: 10.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.0%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta8.5%
Yellow0.0%
Key (black)12.5%
Color previews
#21ccdf text on a black background
contrast 10.77:1
Card sample
#21ccdf text on a white background
contrast 1.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21ccdf;
Background color
Panel with #21ccdf background
background-color: #21ccdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21ccdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 204, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 204, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21ccdf; background: linear-gradient(135deg, #21ccdf, #214DDF);