#ac4f3f
a balanced, vivid red · warm · closest name: sienna
RGB
172, 79, 63
HSL
9°, 46%, 46%
CMYK
0, 54, 63, 33
Luminance
0.1472
Every format
| HEX | #ac4f3f |
| RGB | rgb(172, 79, 63) |
| HSL | hsl(9, 46%, 46%) |
| CMYK | cmyk(0%, 54%, 63%, 33%) |
| LAB | lab(45.3 36.8 27.6) |
| LCH | lch(45.3 46.0 36.9) |
| OKLCH | oklch(0.542 0.126 31.5) |
Copy-ready code
/* CSS */
color: #ac4f3f;
background-color: #ac4f3f;
/* Tailwind (arbitrary) */
class="text-[#ac4f3f] bg-[#ac4f3f]"
/* SCSS */
$brand: #ac4f3f;
/* SwiftUI */
Color(red: 0.675, green: 0.310, blue: 0.247)
/* Android */
Color.parseColor("#ac4f3f")Accessibility — WCAG contrast
Aa
#ac4f3f on white: 5.32:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac4f3f on black: 3.94:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green31.0%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta54.1%
Yellow63.4%
Key (black)32.5%
Color previews
#ac4f3f text on a black background
contrast 3.94:1
Card sample
#ac4f3f text on a white background
contrast 5.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac4f3f;
Background color
Panel with #ac4f3f background
background-color: #ac4f3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac4f3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 79, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 79, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac4f3f; background: linear-gradient(135deg, #ac4f3f, #AC983F);