#642421
a dark, vivid red · warm · closest name: sienna
RGB
100, 36, 33
HSL
3°, 50%, 26%
CMYK
0, 64, 67, 61
Luminance
0.0408
Every format
| HEX | #642421 |
| RGB | rgb(100, 36, 33) |
| HSL | hsl(3, 50%, 26%) |
| CMYK | cmyk(0%, 64%, 67%, 61%) |
| LAB | lab(23.9 28.7 17.0) |
| LCH | lch(23.9 33.3 30.6) |
| OKLCH | oklch(0.355 0.093 25.7) |
Copy-ready code
/* CSS */
color: #642421;
background-color: #642421;
/* Tailwind (arbitrary) */
class="text-[#642421] bg-[#642421]"
/* SCSS */
$brand: #642421;
/* SwiftUI */
Color(red: 0.392, green: 0.141, blue: 0.129)
/* Android */
Color.parseColor("#642421")Accessibility — WCAG contrast
Aa
#642421 on white: 11.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#642421 on black: 1.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green14.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta64.0%
Yellow67.0%
Key (black)60.8%
Color previews
#642421 text on a black background
contrast 1.82:1
Card sample
#642421 text on a white background
contrast 11.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #642421;
Background color
Panel with #642421 background
background-color: #642421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #642421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 36, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 36, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #642421; background: linear-gradient(135deg, #642421, #645121);