#21bbcd
a balanced, vivid cyan · cool · closest name: skyblue
RGB
33, 187, 205
HSL
186°, 72%, 47%
CMYK
84, 9, 0, 20
Luminance
0.4027
Every format
| HEX | #21bbcd |
| RGB | rgb(33, 187, 205) |
| HSL | hsl(186, 72%, 47%) |
| CMYK | cmyk(84%, 9%, 0%, 20%) |
| LAB | lab(69.7 -31.0 -19.8) |
| LCH | lch(69.7 36.8 212.6) |
| OKLCH | oklch(0.726 0.119 207.5) |
Copy-ready code
/* CSS */
color: #21bbcd;
background-color: #21bbcd;
/* Tailwind (arbitrary) */
class="text-[#21bbcd] bg-[#21bbcd]"
/* SCSS */
$brand: #21bbcd;
/* SwiftUI */
Color(red: 0.129, green: 0.733, blue: 0.804)
/* Android */
Color.parseColor("#21bbcd")Accessibility — WCAG contrast
Aa
#21bbcd on white: 2.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21bbcd on black: 9.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green73.3%
Blue80.4%
CMYK percentages
Cyan83.9%
Magenta8.8%
Yellow0.0%
Key (black)19.6%
Color previews
#21bbcd text on a black background
contrast 9.05:1
Card sample
#21bbcd text on a white background
contrast 2.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21bbcd;
Background color
Panel with #21bbcd background
background-color: #21bbcd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21bbcd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 187, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 187, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21bbcd; background: linear-gradient(135deg, #21bbcd, #2148CD);