#581f13
a deep, vivid red · warm · closest name: sienna
RGB
88, 31, 19
HSL
10°, 65%, 21%
CMYK
0, 65, 78, 66
Luminance
0.0310
Every format
| HEX | #581f13 |
| RGB | rgb(88, 31, 19) |
| HSL | hsl(10, 65%, 21%) |
| CMYK | cmyk(0%, 65%, 78%, 66%) |
| LAB | lab(20.4 25.5 21.4) |
| LCH | lch(20.4 33.3 39.9) |
| OKLCH | oklch(0.324 0.087 33.6) |
Copy-ready code
/* CSS */
color: #581f13;
background-color: #581f13;
/* Tailwind (arbitrary) */
class="text-[#581f13] bg-[#581f13]"
/* SCSS */
$brand: #581f13;
/* SwiftUI */
Color(red: 0.345, green: 0.122, blue: 0.075)
/* Android */
Color.parseColor("#581f13")Accessibility — WCAG contrast
Aa
#581f13 on white: 12.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#581f13 on black: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.5%
Green12.2%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta64.8%
Yellow78.4%
Key (black)65.5%
Color previews
#581f13 text on a black background
contrast 1.62:1
Card sample
#581f13 text on a white background
contrast 12.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #581f13;
Background color
Panel with #581f13 background
background-color: #581f13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #581f13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(88, 31, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(88, 31, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #581f13; background: linear-gradient(135deg, #581f13, #584D13);