#a00421
a dark, electric red · warm · closest name: firebrick
RGB
160, 4, 33
HSL
349°, 95%, 32%
CMYK
0, 98, 79, 37
Luminance
0.0767
Every format
| HEX | #a00421 |
| RGB | rgb(160, 4, 33) |
| HSL | hsl(349, 95%, 32%) |
| CMYK | cmyk(0%, 98%, 79%, 37%) |
| LAB | lab(33.3 56.6 31.0) |
| LCH | lch(33.3 64.6 28.7) |
| OKLCH | oklch(0.447 0.178 22.4) |
Copy-ready code
/* CSS */
color: #a00421;
background-color: #a00421;
/* Tailwind (arbitrary) */
class="text-[#a00421] bg-[#a00421]"
/* SCSS */
$brand: #a00421;
/* SwiftUI */
Color(red: 0.627, green: 0.016, blue: 0.129)
/* Android */
Color.parseColor("#a00421")Accessibility — WCAG contrast
Aa
#a00421 on white: 8.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a00421 on black: 2.53:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red62.7%
Green1.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta97.5%
Yellow79.4%
Key (black)37.3%
Color previews
#a00421 text on a black background
contrast 2.53:1
Card sample
#a00421 text on a white background
contrast 8.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a00421;
Background color
Panel with #a00421 background
background-color: #a00421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a00421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(160, 4, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(160, 4, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a00421; background: linear-gradient(135deg, #a00421, #A04F04);