#a00321
a dark, electric red · warm · closest name: firebrick
RGB
160, 3, 33
HSL
349°, 96%, 32%
CMYK
0, 98, 79, 37
Luminance
0.0765
Every format
| HEX | #a00321 |
| RGB | rgb(160, 3, 33) |
| HSL | hsl(349, 96%, 32%) |
| CMYK | cmyk(0%, 98%, 79%, 37%) |
| LAB | lab(33.3 56.8 31.0) |
| LCH | lch(33.3 64.7 28.6) |
| OKLCH | oklch(0.447 0.178 22.3) |
Copy-ready code
/* CSS */
color: #a00321;
background-color: #a00321;
/* Tailwind (arbitrary) */
class="text-[#a00321] bg-[#a00321]"
/* SCSS */
$brand: #a00321;
/* SwiftUI */
Color(red: 0.627, green: 0.012, blue: 0.129)
/* Android */
Color.parseColor("#a00321")Accessibility — WCAG contrast
Aa
#a00321 on white: 8.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a00321 on black: 2.53:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red62.7%
Green1.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta98.1%
Yellow79.4%
Key (black)37.3%
Color previews
#a00321 text on a black background
contrast 2.53:1
Card sample
#a00321 text on a white background
contrast 8.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a00321;
Background color
Panel with #a00321 background
background-color: #a00321;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a00321;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(160, 3, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(160, 3, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a00321; background: linear-gradient(135deg, #a00321, #A04E03);