#640c18
a deep, electric red · warm · closest name: maroon
RGB
100, 12, 24
HSL
352°, 79%, 22%
CMYK
0, 88, 76, 61
Luminance
0.0304
Every format
| HEX | #640c18 |
| RGB | rgb(100, 12, 24) |
| HSL | hsl(352, 79%, 22%) |
| CMYK | cmyk(0%, 88%, 76%, 61%) |
| LAB | lab(20.2 38.0 18.4) |
| LCH | lch(20.2 42.2 25.9) |
| OKLCH | oklch(0.327 0.119 20.8) |
Copy-ready code
/* CSS */
color: #640c18;
background-color: #640c18;
/* Tailwind (arbitrary) */
class="text-[#640c18] bg-[#640c18]"
/* SCSS */
$brand: #640c18;
/* SwiftUI */
Color(red: 0.392, green: 0.047, blue: 0.094)
/* Android */
Color.parseColor("#640c18")Accessibility — WCAG contrast
Aa
#640c18 on white: 13.06:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640c18 on black: 1.61:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green4.7%
Blue9.4%
CMYK percentages
Cyan0.0%
Magenta88.0%
Yellow76.0%
Key (black)60.8%
Color previews
#640c18 text on a black background
contrast 1.61:1
Card sample
#640c18 text on a white background
contrast 13.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640c18;
Background color
Panel with #640c18 background
background-color: #640c18;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640c18;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 12, 24, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 12, 24, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640c18; background: linear-gradient(135deg, #640c18, #643B0C);