#a4233f
a dark, vivid red · warm · closest name: firebrick
RGB
164, 35, 63
HSL
347°, 65%, 39%
CMYK
0, 79, 62, 36
Luminance
0.0945
Every format
| HEX | #a4233f |
| RGB | rgb(164, 35, 63) |
| HSL | hsl(347, 65%, 39%) |
| CMYK | cmyk(0%, 79%, 62%, 36%) |
| LAB | lab(36.9 52.9 16.6) |
| LCH | lch(36.9 55.4 17.4) |
| OKLCH | oklch(0.476 0.164 14.3) |
Copy-ready code
/* CSS */
color: #a4233f;
background-color: #a4233f;
/* Tailwind (arbitrary) */
class="text-[#a4233f] bg-[#a4233f]"
/* SCSS */
$brand: #a4233f;
/* SwiftUI */
Color(red: 0.643, green: 0.137, blue: 0.247)
/* Android */
Color.parseColor("#a4233f")Accessibility — WCAG contrast
Aa
#a4233f on white: 7.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a4233f on black: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green13.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta78.7%
Yellow61.6%
Key (black)35.7%
Color previews
#a4233f text on a black background
contrast 2.89:1
Card sample
#a4233f text on a white background
contrast 7.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a4233f;
Background color
Panel with #a4233f background
background-color: #a4233f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a4233f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 35, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 35, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a4233f; background: linear-gradient(135deg, #a4233f, #A45D23);