#b40407
a dark, electric red · warm · closest name: firebrick
RGB
180, 4, 7
HSL
359°, 96%, 36%
CMYK
0, 98, 96, 29
Luminance
0.0981
Every format
| HEX | #b40407 |
| RGB | rgb(180, 4, 7) |
| HSL | hsl(359, 96%, 36%) |
| CMYK | cmyk(0%, 98%, 96%, 29%) |
| LAB | lab(37.5 61.3 49.0) |
| LCH | lch(37.5 78.5 38.7) |
| OKLCH | oklch(0.485 0.197 28.7) |
Copy-ready code
/* CSS */
color: #b40407;
background-color: #b40407;
/* Tailwind (arbitrary) */
class="text-[#b40407] bg-[#b40407]"
/* SCSS */
$brand: #b40407;
/* SwiftUI */
Color(red: 0.706, green: 0.016, blue: 0.027)
/* Android */
Color.parseColor("#b40407")Accessibility — WCAG contrast
Aa
#b40407 on white: 7.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b40407 on black: 2.96:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red70.6%
Green1.6%
Blue2.7%
CMYK percentages
Cyan0.0%
Magenta97.8%
Yellow96.1%
Key (black)29.4%
Color previews
#b40407 text on a black background
contrast 2.96:1
Card sample
#b40407 text on a white background
contrast 7.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b40407;
Background color
Panel with #b40407 background
background-color: #b40407;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b40407;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(180, 4, 7, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(180, 4, 7, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b40407; background: linear-gradient(135deg, #b40407, #B47604);