#5b1f13
a deep, vivid red · warm · closest name: sienna
RGB
91, 31, 19
HSL
10°, 66%, 22%
CMYK
0, 66, 79, 64
Luminance
0.0325
Every format
| HEX | #5b1f13 |
| RGB | rgb(91, 31, 19) |
| HSL | hsl(10, 66%, 22%) |
| CMYK | cmyk(0%, 66%, 79%, 64%) |
| LAB | lab(21.0 26.8 22.2) |
| LCH | lch(21.0 34.8 39.6) |
| OKLCH | oklch(0.329 0.091 33.2) |
Copy-ready code
/* CSS */
color: #5b1f13;
background-color: #5b1f13;
/* Tailwind (arbitrary) */
class="text-[#5b1f13] bg-[#5b1f13]"
/* SCSS */
$brand: #5b1f13;
/* SwiftUI */
Color(red: 0.357, green: 0.122, blue: 0.075)
/* Android */
Color.parseColor("#5b1f13")Accessibility — WCAG contrast
Aa
#5b1f13 on white: 12.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#5b1f13 on black: 1.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red35.7%
Green12.2%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta65.9%
Yellow79.1%
Key (black)64.3%
Color previews
#5b1f13 text on a black background
contrast 1.65:1
Card sample
#5b1f13 text on a white background
contrast 12.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5b1f13;
Background color
Panel with #5b1f13 background
background-color: #5b1f13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5b1f13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(91, 31, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(91, 31, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5b1f13; background: linear-gradient(135deg, #5b1f13, #5B4F13);