#ac3f4f
a balanced, vivid red · warm · closest name: firebrick
RGB
172, 63, 79
HSL
351°, 46%, 46%
CMYK
0, 63, 54, 33
Luminance
0.1289
Every format
| HEX | #ac3f4f |
| RGB | rgb(172, 63, 79) |
| HSL | hsl(351, 46%, 46%) |
| CMYK | cmyk(0%, 63%, 54%, 33%) |
| LAB | lab(42.6 45.8 14.5) |
| LCH | lch(42.6 48.0 17.6) |
| OKLCH | oklch(0.523 0.143 14.8) |
Copy-ready code
/* CSS */
color: #ac3f4f;
background-color: #ac3f4f;
/* Tailwind (arbitrary) */
class="text-[#ac3f4f] bg-[#ac3f4f]"
/* SCSS */
$brand: #ac3f4f;
/* SwiftUI */
Color(red: 0.675, green: 0.247, blue: 0.310)
/* Android */
Color.parseColor("#ac3f4f")Accessibility — WCAG contrast
Aa
#ac3f4f on white: 5.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac3f4f on black: 3.58:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green24.7%
Blue31.0%
CMYK percentages
Cyan0.0%
Magenta63.4%
Yellow54.1%
Key (black)32.5%
Color previews
#ac3f4f text on a black background
contrast 3.58:1
Card sample
#ac3f4f text on a white background
contrast 5.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac3f4f;
Background color
Panel with #ac3f4f background
background-color: #ac3f4f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac3f4f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 63, 79, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 63, 79, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac3f4f; background: linear-gradient(135deg, #ac3f4f, #AC783F);