#ac1b0f
a dark, electric red · warm · closest name: firebrick
RGB
172, 27, 15
HSL
5°, 84%, 37%
CMYK
0, 84, 91, 33
Luminance
0.0959
Every format
| HEX | #ac1b0f |
| RGB | rgb(172, 27, 15) |
| HSL | hsl(5, 84%, 37%) |
| CMYK | cmyk(0%, 84%, 91%, 33%) |
| LAB | lab(37.1 55.5 44.9) |
| LCH | lch(37.1 71.4 39.0) |
| OKLCH | oklch(0.479 0.180 29.9) |
Copy-ready code
/* CSS */
color: #ac1b0f;
background-color: #ac1b0f;
/* Tailwind (arbitrary) */
class="text-[#ac1b0f] bg-[#ac1b0f]"
/* SCSS */
$brand: #ac1b0f;
/* SwiftUI */
Color(red: 0.675, green: 0.106, blue: 0.059)
/* Android */
Color.parseColor("#ac1b0f")Accessibility — WCAG contrast
Aa
#ac1b0f on white: 7.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac1b0f on black: 2.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green10.6%
Blue5.9%
CMYK percentages
Cyan0.0%
Magenta84.3%
Yellow91.3%
Key (black)32.5%
Color previews
#ac1b0f text on a black background
contrast 2.92:1
Card sample
#ac1b0f text on a white background
contrast 7.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac1b0f;
Background color
Panel with #ac1b0f background
background-color: #ac1b0f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac1b0f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 27, 15, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 27, 15, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac1b0f; background: linear-gradient(135deg, #ac1b0f, #AC840F);