#21abdf
a balanced, vivid cyan · cool · closest name: steelblue
RGB
33, 171, 223
HSL
196°, 75%, 50%
CMYK
85, 23, 0, 13
Luminance
0.3478
Every format
| HEX | #21abdf |
| RGB | rgb(33, 171, 223) |
| HSL | hsl(196, 75%, 50%) |
| CMYK | cmyk(85%, 23%, 0%, 13%) |
| LAB | lab(65.6 -16.9 -36.0) |
| LCH | lch(65.6 39.8 244.8) |
| OKLCH | oklch(0.696 0.132 230.2) |
Copy-ready code
/* CSS */
color: #21abdf;
background-color: #21abdf;
/* Tailwind (arbitrary) */
class="text-[#21abdf] bg-[#21abdf]"
/* SCSS */
$brand: #21abdf;
/* SwiftUI */
Color(red: 0.129, green: 0.671, blue: 0.875)
/* Android */
Color.parseColor("#21abdf")Accessibility — WCAG contrast
Aa
#21abdf on white: 2.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21abdf on black: 7.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green67.1%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta23.3%
Yellow0.0%
Key (black)12.5%
Color previews
#21abdf text on a black background
contrast 7.96:1
Card sample
#21abdf text on a white background
contrast 2.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21abdf;
Background color
Panel with #21abdf background
background-color: #21abdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21abdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 171, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 171, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21abdf; background: linear-gradient(135deg, #21abdf, #212CDF);