#641721
a deep, vivid red · warm · closest name: maroon
RGB
100, 23, 33
HSL
352°, 63%, 24%
CMYK
0, 77, 67, 61
Luminance
0.0343
Every format
| HEX | #641721 |
| RGB | rgb(100, 23, 33) |
| HSL | hsl(352, 63%, 24%) |
| CMYK | cmyk(0%, 77%, 67%, 61%) |
| LAB | lab(21.7 34.8 14.1) |
| LCH | lch(21.7 37.5 22.1) |
| OKLCH | oklch(0.339 0.109 18.2) |
Copy-ready code
/* CSS */
color: #641721;
background-color: #641721;
/* Tailwind (arbitrary) */
class="text-[#641721] bg-[#641721]"
/* SCSS */
$brand: #641721;
/* SwiftUI */
Color(red: 0.392, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#641721")Accessibility — WCAG contrast
Aa
#641721 on white: 12.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#641721 on black: 1.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta77.0%
Yellow67.0%
Key (black)60.8%
Color previews
#641721 text on a black background
contrast 1.69:1
Card sample
#641721 text on a white background
contrast 12.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #641721;
Background color
Panel with #641721 background
background-color: #641721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #641721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #641721; background: linear-gradient(135deg, #641721, #644017);