#f71721
a balanced, electric red · warm · closest name: red
RGB
247, 23, 33
HSL
357°, 93%, 53%
CMYK
0, 91, 87, 3
Luminance
0.2050
Every format
| HEX | #f71721 |
| RGB | rgb(247, 23, 33) |
| HSL | hsl(357, 93%, 53%) |
| CMYK | cmyk(0%, 91%, 87%, 3%) |
| LAB | lab(52.4 76.5 55.3) |
| LCH | lch(52.4 94.4 35.8) |
| OKLCH | oklch(0.619 0.245 27.3) |
Copy-ready code
/* CSS */
color: #f71721;
background-color: #f71721;
/* Tailwind (arbitrary) */
class="text-[#f71721] bg-[#f71721]"
/* SCSS */
$brand: #f71721;
/* SwiftUI */
Color(red: 0.969, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#f71721")Accessibility — WCAG contrast
Aa
#f71721 on white: 4.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f71721 on black: 5.10:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red96.9%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta90.7%
Yellow86.6%
Key (black)3.1%
Color previews
#f71721 text on a black background
contrast 5.10:1
Card sample
#f71721 text on a white background
contrast 4.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f71721;
Background color
Panel with #f71721 background
background-color: #f71721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f71721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(247, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(247, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f71721; background: linear-gradient(135deg, #f71721, #F7A217);