#21ace2
a balanced, electric cyan · cool · closest name: steelblue
RGB
33, 172, 226
HSL
197°, 77%, 51%
CMYK
85, 24, 0, 11
Luminance
0.3532
Every format
| HEX | #21ace2 |
| RGB | rgb(33, 172, 226) |
| HSL | hsl(197, 77%, 51%) |
| CMYK | cmyk(85%, 24%, 0%, 11%) |
| LAB | lab(66.0 -16.4 -37.0) |
| LCH | lch(66.0 40.5 246.1) |
| OKLCH | oklch(0.700 0.134 231.1) |
Copy-ready code
/* CSS */
color: #21ace2;
background-color: #21ace2;
/* Tailwind (arbitrary) */
class="text-[#21ace2] bg-[#21ace2]"
/* SCSS */
$brand: #21ace2;
/* SwiftUI */
Color(red: 0.129, green: 0.675, blue: 0.886)
/* Android */
Color.parseColor("#21ace2")Accessibility — WCAG contrast
Aa
#21ace2 on white: 2.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21ace2 on black: 8.06:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green67.5%
Blue88.6%
CMYK percentages
Cyan85.4%
Magenta23.9%
Yellow0.0%
Key (black)11.4%
Color previews
#21ace2 text on a black background
contrast 8.06:1
Card sample
#21ace2 text on a white background
contrast 2.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21ace2;
Background color
Panel with #21ace2 background
background-color: #21ace2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21ace2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 172, 226, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 172, 226, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21ace2; background: linear-gradient(135deg, #21ace2, #212BE2);