#581f21
a deep, vivid red · warm · closest name: sienna
RGB
88, 31, 33
HSL
358°, 48%, 23%
CMYK
0, 65, 63, 66
Luminance
0.0316
Every format
| HEX | #581f21 |
| RGB | rgb(88, 31, 33) |
| HSL | hsl(358, 48%, 23%) |
| CMYK | cmyk(0%, 65%, 63%, 66%) |
| LAB | lab(20.7 26.5 12.3) |
| LCH | lch(20.7 29.3 25.0) |
| OKLCH | oklch(0.327 0.085 21.0) |
Copy-ready code
/* CSS */
color: #581f21;
background-color: #581f21;
/* Tailwind (arbitrary) */
class="text-[#581f21] bg-[#581f21]"
/* SCSS */
$brand: #581f21;
/* SwiftUI */
Color(red: 0.345, green: 0.122, blue: 0.129)
/* Android */
Color.parseColor("#581f21")Accessibility — WCAG contrast
Aa
#581f21 on white: 12.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#581f21 on black: 1.63:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.5%
Green12.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta64.8%
Yellow62.5%
Key (black)65.5%
Color previews
#581f21 text on a black background
contrast 1.63:1
Card sample
#581f21 text on a white background
contrast 12.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #581f21;
Background color
Panel with #581f21 background
background-color: #581f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #581f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(88, 31, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(88, 31, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #581f21; background: linear-gradient(135deg, #581f21, #58431F);