#b33921
a dark, vivid red · warm · closest name: firebrick
RGB
179, 57, 33
HSL
10°, 69%, 42%
CMYK
0, 68, 82, 30
Luminance
0.1262
Every format
| HEX | #b33921 |
| RGB | rgb(179, 57, 33) |
| HSL | hsl(10, 69%, 42%) |
| CMYK | cmyk(0%, 68%, 82%, 30%) |
| LAB | lab(42.2 48.2 41.3) |
| LCH | lch(42.2 63.5 40.6) |
| OKLCH | oklch(0.520 0.162 33.1) |
Copy-ready code
/* CSS */
color: #b33921;
background-color: #b33921;
/* Tailwind (arbitrary) */
class="text-[#b33921] bg-[#b33921]"
/* SCSS */
$brand: #b33921;
/* SwiftUI */
Color(red: 0.702, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#b33921")Accessibility — WCAG contrast
Aa
#b33921 on white: 5.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b33921 on black: 3.52:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red70.2%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta68.2%
Yellow81.6%
Key (black)29.8%
Color previews
#b33921 text on a black background
contrast 3.52:1
Card sample
#b33921 text on a white background
contrast 5.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b33921;
Background color
Panel with #b33921 background
background-color: #b33921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b33921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(179, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(179, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b33921; background: linear-gradient(135deg, #b33921, #B39B21);