#21b2cf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
33, 178, 207
HSL
190°, 73%, 47%
CMYK
84, 14, 0, 19
Luminance
0.3667
Every format
| HEX | #21b2cf |
| RGB | rgb(33, 178, 207) |
| HSL | hsl(190, 73%, 47%) |
| CMYK | cmyk(84%, 14%, 0%, 19%) |
| LAB | lab(67.0 -25.9 -24.9) |
| LCH | lch(67.0 36.0 223.9) |
| OKLCH | oklch(0.705 0.119 215.8) |
Copy-ready code
/* CSS */
color: #21b2cf;
background-color: #21b2cf;
/* Tailwind (arbitrary) */
class="text-[#21b2cf] bg-[#21b2cf]"
/* SCSS */
$brand: #21b2cf;
/* SwiftUI */
Color(red: 0.129, green: 0.698, blue: 0.812)
/* Android */
Color.parseColor("#21b2cf")Accessibility — WCAG contrast
Aa
#21b2cf on white: 2.52:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21b2cf on black: 8.33:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green69.8%
Blue81.2%
CMYK percentages
Cyan84.1%
Magenta14.0%
Yellow0.0%
Key (black)18.8%
Color previews
#21b2cf text on a black background
contrast 8.33:1
Card sample
#21b2cf text on a white background
contrast 2.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21b2cf;
Background color
Panel with #21b2cf background
background-color: #21b2cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21b2cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 178, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 178, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21b2cf; background: linear-gradient(135deg, #21b2cf, #213ECF);