#571f21
a deep, vivid red · warm · closest name: sienna
RGB
87, 31, 33
HSL
358°, 48%, 23%
CMYK
0, 64, 62, 66
Luminance
0.0312
Every format
| HEX | #571f21 |
| RGB | rgb(87, 31, 33) |
| HSL | hsl(358, 48%, 23%) |
| CMYK | cmyk(0%, 64%, 62%, 66%) |
| LAB | lab(20.5 26.1 12.1) |
| LCH | lch(20.5 28.8 24.8) |
| OKLCH | oklch(0.325 0.083 20.8) |
Copy-ready code
/* CSS */
color: #571f21;
background-color: #571f21;
/* Tailwind (arbitrary) */
class="text-[#571f21] bg-[#571f21]"
/* SCSS */
$brand: #571f21;
/* SwiftUI */
Color(red: 0.341, green: 0.122, blue: 0.129)
/* Android */
Color.parseColor("#571f21")Accessibility — WCAG contrast
Aa
#571f21 on white: 12.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#571f21 on black: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green12.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta64.4%
Yellow62.1%
Key (black)65.9%
Color previews
#571f21 text on a black background
contrast 1.62:1
Card sample
#571f21 text on a white background
contrast 12.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #571f21;
Background color
Panel with #571f21 background
background-color: #571f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #571f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 31, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 31, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #571f21; background: linear-gradient(135deg, #571f21, #57421F);