#ac4b2f
a dark, vivid red · warm · closest name: sienna
RGB
172, 75, 47
HSL
13°, 57%, 43%
CMYK
0, 56, 73, 33
Luminance
0.1401
Every format
| HEX | #ac4b2f |
| RGB | rgb(172, 75, 47) |
| HSL | hsl(13, 57%, 43%) |
| CMYK | cmyk(0%, 56%, 73%, 33%) |
| LAB | lab(44.3 37.9 35.6) |
| LCH | lch(44.3 52.0 43.2) |
| OKLCH | oklch(0.534 0.134 36.8) |
Copy-ready code
/* CSS */
color: #ac4b2f;
background-color: #ac4b2f;
/* Tailwind (arbitrary) */
class="text-[#ac4b2f] bg-[#ac4b2f]"
/* SCSS */
$brand: #ac4b2f;
/* SwiftUI */
Color(red: 0.675, green: 0.294, blue: 0.184)
/* Android */
Color.parseColor("#ac4b2f")Accessibility — WCAG contrast
Aa
#ac4b2f on white: 5.52:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac4b2f on black: 3.80:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green29.4%
Blue18.4%
CMYK percentages
Cyan0.0%
Magenta56.4%
Yellow72.7%
Key (black)32.5%
Color previews
#ac4b2f text on a black background
contrast 3.80:1
Card sample
#ac4b2f text on a white background
contrast 5.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac4b2f;
Background color
Panel with #ac4b2f background
background-color: #ac4b2f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac4b2f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 75, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 75, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac4b2f; background: linear-gradient(135deg, #ac4b2f, #AC9E2F);