#a40607
a dark, electric red · warm · closest name: firebrick
RGB
164, 6, 7
HSL
360°, 93%, 33%
CMYK
0, 96, 96, 36
Luminance
0.0804
Every format
| HEX | #a40607 |
| RGB | rgb(164, 6, 7) |
| HSL | hsl(360, 93%, 33%) |
| CMYK | cmyk(0%, 96%, 96%, 36%) |
| LAB | lab(34.1 56.9 45.3) |
| LCH | lch(34.1 72.7 38.5) |
| OKLCH | oklch(0.454 0.183 28.7) |
Copy-ready code
/* CSS */
color: #a40607;
background-color: #a40607;
/* Tailwind (arbitrary) */
class="text-[#a40607] bg-[#a40607]"
/* SCSS */
$brand: #a40607;
/* SwiftUI */
Color(red: 0.643, green: 0.024, blue: 0.027)
/* Android */
Color.parseColor("#a40607")Accessibility — WCAG contrast
Aa
#a40607 on white: 8.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a40607 on black: 2.61:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green2.4%
Blue2.7%
CMYK percentages
Cyan0.0%
Magenta96.3%
Yellow95.7%
Key (black)35.7%
Color previews
#a40607 text on a black background
contrast 2.61:1
Card sample
#a40607 text on a white background
contrast 8.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a40607;
Background color
Panel with #a40607 background
background-color: #a40607;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a40607;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 6, 7, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 6, 7, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a40607; background: linear-gradient(135deg, #a40607, #A46E06);