#b21021
a dark, electric red · warm · closest name: firebrick
RGB
178, 16, 33
HSL
354°, 84%, 38%
CMYK
0, 91, 82, 30
Luminance
0.0995
Every format
| HEX | #b21021 |
| RGB | rgb(178, 16, 33) |
| HSL | hsl(354, 84%, 38%) |
| CMYK | cmyk(0%, 91%, 82%, 30%) |
| LAB | lab(37.8 59.8 36.9) |
| LCH | lch(37.8 70.2 31.7) |
| OKLCH | oklch(0.487 0.190 24.6) |
Copy-ready code
/* CSS */
color: #b21021;
background-color: #b21021;
/* Tailwind (arbitrary) */
class="text-[#b21021] bg-[#b21021]"
/* SCSS */
$brand: #b21021;
/* SwiftUI */
Color(red: 0.698, green: 0.063, blue: 0.129)
/* Android */
Color.parseColor("#b21021")Accessibility — WCAG contrast
Aa
#b21021 on white: 7.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b21021 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.8%
Green6.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta91.0%
Yellow81.5%
Key (black)30.2%
Color previews
#b21021 text on a black background
contrast 2.99:1
Card sample
#b21021 text on a white background
contrast 7.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b21021;
Background color
Panel with #b21021 background
background-color: #b21021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b21021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(178, 16, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(178, 16, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b21021; background: linear-gradient(135deg, #b21021, #B26B10);