#21cdf8
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 205, 248
HSL
192°, 94%, 55%
CMYK
87, 17, 0, 3
Luminance
0.5076
Every format
| HEX | #21cdf8 |
| RGB | rgb(33, 205, 248) |
| HSL | hsl(192, 94%, 55%) |
| CMYK | cmyk(87%, 17%, 0%, 3%) |
| LAB | lab(76.5 -26.1 -32.6) |
| LCH | lch(76.5 41.7 231.4) |
| OKLCH | oklch(0.787 0.139 221.0) |
Copy-ready code
/* CSS */
color: #21cdf8;
background-color: #21cdf8;
/* Tailwind (arbitrary) */
class="text-[#21cdf8] bg-[#21cdf8]"
/* SCSS */
$brand: #21cdf8;
/* SwiftUI */
Color(red: 0.129, green: 0.804, blue: 0.973)
/* Android */
Color.parseColor("#21cdf8")Accessibility — WCAG contrast
Aa
#21cdf8 on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cdf8 on black: 11.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.4%
Blue97.3%
CMYK percentages
Cyan86.7%
Magenta17.3%
Yellow0.0%
Key (black)2.7%
Color previews
#21cdf8 text on a black background
contrast 11.15:1
Card sample
#21cdf8 text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cdf8;
Background color
Panel with #21cdf8 background
background-color: #21cdf8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cdf8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 205, 248, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 205, 248, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cdf8; background: linear-gradient(135deg, #21cdf8, #213EF8);