#b63b21
a dark, vivid red · warm · closest name: firebrick
RGB
182, 59, 33
HSL
11°, 69%, 42%
CMYK
0, 68, 82, 29
Luminance
0.1318
Every format
| HEX | #b63b21 |
| RGB | rgb(182, 59, 33) |
| HSL | hsl(11, 69%, 42%) |
| CMYK | cmyk(0%, 68%, 82%, 29%) |
| LAB | lab(43.0 48.4 42.3) |
| LCH | lch(43.0 64.3 41.1) |
| OKLCH | oklch(0.527 0.164 33.6) |
Copy-ready code
/* CSS */
color: #b63b21;
background-color: #b63b21;
/* Tailwind (arbitrary) */
class="text-[#b63b21] bg-[#b63b21]"
/* SCSS */
$brand: #b63b21;
/* SwiftUI */
Color(red: 0.714, green: 0.231, blue: 0.129)
/* Android */
Color.parseColor("#b63b21")Accessibility — WCAG contrast
Aa
#b63b21 on white: 5.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b63b21 on black: 3.64:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.4%
Green23.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta67.6%
Yellow81.9%
Key (black)28.6%
Color previews
#b63b21 text on a black background
contrast 3.64:1
Card sample
#b63b21 text on a white background
contrast 5.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b63b21;
Background color
Panel with #b63b21 background
background-color: #b63b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b63b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(182, 59, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(182, 59, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b63b21; background: linear-gradient(135deg, #b63b21, #B69F21);