#21cdf0
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 205, 240
HSL
190°, 87%, 54%
CMYK
86, 15, 0, 6
Luminance
0.5028
Every format
| HEX | #21cdf0 |
| RGB | rgb(33, 205, 240) |
| HSL | hsl(190, 87%, 54%) |
| CMYK | cmyk(86%, 15%, 0%, 6%) |
| LAB | lab(76.2 -28.6 -28.8) |
| LCH | lch(76.2 40.6 225.1) |
| OKLCH | oklch(0.784 0.135 216.6) |
Copy-ready code
/* CSS */
color: #21cdf0;
background-color: #21cdf0;
/* Tailwind (arbitrary) */
class="text-[#21cdf0] bg-[#21cdf0]"
/* SCSS */
$brand: #21cdf0;
/* SwiftUI */
Color(red: 0.129, green: 0.804, blue: 0.941)
/* Android */
Color.parseColor("#21cdf0")Accessibility — WCAG contrast
Aa
#21cdf0 on white: 1.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cdf0 on black: 11.06:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.4%
Blue94.1%
CMYK percentages
Cyan86.3%
Magenta14.6%
Yellow0.0%
Key (black)5.9%
Color previews
#21cdf0 text on a black background
contrast 11.06:1
Card sample
#21cdf0 text on a white background
contrast 1.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cdf0;
Background color
Panel with #21cdf0 background
background-color: #21cdf0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cdf0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 205, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 205, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cdf0; background: linear-gradient(135deg, #21cdf0, #2143F0);