#b50607
a dark, electric red · warm · closest name: firebrick
RGB
181, 6, 7
HSL
360°, 94%, 37%
CMYK
0, 97, 96, 29
Luminance
0.0997
Every format
| HEX | #b50607 |
| RGB | rgb(181, 6, 7) |
| HSL | hsl(360, 94%, 37%) |
| CMYK | cmyk(0%, 97%, 96%, 29%) |
| LAB | lab(37.8 61.3 49.3) |
| LCH | lch(37.8 78.7 38.8) |
| OKLCH | oklch(0.487 0.197 28.8) |
Copy-ready code
/* CSS */
color: #b50607;
background-color: #b50607;
/* Tailwind (arbitrary) */
class="text-[#b50607] bg-[#b50607]"
/* SCSS */
$brand: #b50607;
/* SwiftUI */
Color(red: 0.710, green: 0.024, blue: 0.027)
/* Android */
Color.parseColor("#b50607")Accessibility — WCAG contrast
Aa
#b50607 on white: 7.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b50607 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.0%
Green2.4%
Blue2.7%
CMYK percentages
Cyan0.0%
Magenta96.7%
Yellow96.1%
Key (black)29.0%
Color previews
#b50607 text on a black background
contrast 2.99:1
Card sample
#b50607 text on a white background
contrast 7.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b50607;
Background color
Panel with #b50607 background
background-color: #b50607;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b50607;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(181, 6, 7, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(181, 6, 7, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b50607; background: linear-gradient(135deg, #b50607, #B57A06);