#b3000c
a dark, electric red · warm · closest name: firebrick
RGB
179, 0, 12
HSL
356°, 100%, 35%
CMYK
0, 100, 93, 30
Luminance
0.0961
Every format
| HEX | #b3000c |
| RGB | rgb(179, 0, 12) |
| HSL | hsl(356, 100%, 35%) |
| CMYK | cmyk(0%, 100%, 93%, 30%) |
| LAB | lab(37.1 61.5 46.9) |
| LCH | lch(37.1 77.4 37.3) |
| OKLCH | oklch(0.482 0.197 27.8) |
Copy-ready code
/* CSS */
color: #b3000c;
background-color: #b3000c;
/* Tailwind (arbitrary) */
class="text-[#b3000c] bg-[#b3000c]"
/* SCSS */
$brand: #b3000c;
/* SwiftUI */
Color(red: 0.702, green: 0.000, blue: 0.047)
/* Android */
Color.parseColor("#b3000c")Accessibility — WCAG contrast
Aa
#b3000c on white: 7.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b3000c on black: 2.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red70.2%
Green0.0%
Blue4.7%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow93.3%
Key (black)29.8%
Color previews
#b3000c text on a black background
contrast 2.92:1
Card sample
#b3000c text on a white background
contrast 7.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b3000c;
Background color
Panel with #b3000c background
background-color: #b3000c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b3000c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(179, 0, 12, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(179, 0, 12, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b3000c; background: linear-gradient(135deg, #b3000c, #B36B00);