#bb000d
a dark, electric red · warm · closest name: firebrick
RGB
187, 0, 13
HSL
356°, 100%, 37%
CMYK
0, 100, 93, 27
Luminance
0.1059
Every format
| HEX | #bb000d |
| RGB | rgb(187, 0, 13) |
| HSL | hsl(356, 100%, 37%) |
| CMYK | cmyk(0%, 100%, 93%, 27%) |
| LAB | lab(38.9 63.6 48.4) |
| LCH | lch(38.9 79.9 37.3) |
| OKLCH | oklch(0.498 0.203 27.8) |
Copy-ready code
/* CSS */
color: #bb000d;
background-color: #bb000d;
/* Tailwind (arbitrary) */
class="text-[#bb000d] bg-[#bb000d]"
/* SCSS */
$brand: #bb000d;
/* SwiftUI */
Color(red: 0.733, green: 0.000, blue: 0.051)
/* Android */
Color.parseColor("#bb000d")Accessibility — WCAG contrast
Aa
#bb000d on white: 6.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb000d on black: 3.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green0.0%
Blue5.1%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow93.0%
Key (black)26.7%
Color previews
#bb000d text on a black background
contrast 3.12:1
Card sample
#bb000d text on a white background
contrast 6.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb000d;
Background color
Panel with #bb000d background
background-color: #bb000d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb000d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 0, 13, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 0, 13, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb000d; background: linear-gradient(135deg, #bb000d, #BB7000);