#b13521
a dark, vivid red · warm · closest name: firebrick
RGB
177, 53, 33
HSL
8°, 69%, 41%
CMYK
0, 70, 81, 31
Luminance
0.1200
Every format
| HEX | #b13521 |
| RGB | rgb(177, 53, 33) |
| HSL | hsl(8, 69%, 41%) |
| CMYK | cmyk(0%, 70%, 81%, 31%) |
| LAB | lab(41.2 49.1 40.2) |
| LCH | lch(41.2 63.5 39.3) |
| OKLCH | oklch(0.512 0.164 31.9) |
Copy-ready code
/* CSS */
color: #b13521;
background-color: #b13521;
/* Tailwind (arbitrary) */
class="text-[#b13521] bg-[#b13521]"
/* SCSS */
$brand: #b13521;
/* SwiftUI */
Color(red: 0.694, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#b13521")Accessibility — WCAG contrast
Aa
#b13521 on white: 6.18:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b13521 on black: 3.40:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.4%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta70.1%
Yellow81.4%
Key (black)30.6%
Color previews
#b13521 text on a black background
contrast 3.40:1
Card sample
#b13521 text on a white background
contrast 6.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b13521;
Background color
Panel with #b13521 background
background-color: #b13521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b13521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(177, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(177, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b13521; background: linear-gradient(135deg, #b13521, #B19521);