#b70621
a dark, electric red · warm · closest name: firebrick
RGB
183, 6, 33
HSL
351°, 94%, 37%
CMYK
0, 97, 82, 28
Luminance
0.1031
Every format
| HEX | #b70621 |
| RGB | rgb(183, 6, 33) |
| HSL | hsl(351, 94%, 37%) |
| CMYK | cmyk(0%, 97%, 82%, 28%) |
| LAB | lab(38.4 62.3 37.8) |
| LCH | lch(38.4 72.9 31.3) |
| OKLCH | oklch(0.493 0.197 24.2) |
Copy-ready code
/* CSS */
color: #b70621;
background-color: #b70621;
/* Tailwind (arbitrary) */
class="text-[#b70621] bg-[#b70621]"
/* SCSS */
$brand: #b70621;
/* SwiftUI */
Color(red: 0.718, green: 0.024, blue: 0.129)
/* Android */
Color.parseColor("#b70621")Accessibility — WCAG contrast
Aa
#b70621 on white: 6.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b70621 on black: 3.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green2.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta96.7%
Yellow82.0%
Key (black)28.2%
Color previews
#b70621 text on a black background
contrast 3.06:1
Card sample
#b70621 text on a white background
contrast 6.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b70621;
Background color
Panel with #b70621 background
background-color: #b70621;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b70621;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 6, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 6, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b70621; background: linear-gradient(135deg, #b70621, #B76106);