#21c3b3
a dark, vivid cyan · cool · closest name: turquoise
RGB
33, 195, 179
HSL
174°, 71%, 45%
CMYK
83, 0, 8, 24
Luminance
0.4261
Every format
| HEX | #21c3b3 |
| RGB | rgb(33, 195, 179) |
| HSL | hsl(174, 71%, 45%) |
| CMYK | cmyk(83%, 0%, 8%, 24%) |
| LAB | lab(71.3 -42.5 -3.2) |
| LCH | lch(71.3 42.6 184.3) |
| OKLCH | oklch(0.737 0.125 184.2) |
Copy-ready code
/* CSS */
color: #21c3b3;
background-color: #21c3b3;
/* Tailwind (arbitrary) */
class="text-[#21c3b3] bg-[#21c3b3]"
/* SCSS */
$brand: #21c3b3;
/* SwiftUI */
Color(red: 0.129, green: 0.765, blue: 0.702)
/* Android */
Color.parseColor("#21c3b3")Accessibility — WCAG contrast
Aa
#21c3b3 on white: 2.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21c3b3 on black: 9.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green76.5%
Blue70.2%
CMYK percentages
Cyan83.1%
Magenta0.0%
Yellow8.2%
Key (black)23.5%
Color previews
#21c3b3 text on a black background
contrast 9.52:1
Card sample
#21c3b3 text on a white background
contrast 2.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21c3b3;
Background color
Panel with #21c3b3 background
background-color: #21c3b3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21c3b3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 195, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 195, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21c3b3; background: linear-gradient(135deg, #21c3b3, #2167C3);