#642c21
a dark, vivid red · warm · closest name: sienna
RGB
100, 44, 33
HSL
10°, 50%, 26%
CMYK
0, 56, 67, 61
Luminance
0.0462
Every format
| HEX | #642c21 |
| RGB | rgb(100, 44, 33) |
| HSL | hsl(10, 50%, 26%) |
| CMYK | cmyk(0%, 56%, 67%, 61%) |
| LAB | lab(25.6 24.3 19.1) |
| LCH | lch(25.6 30.9 38.1) |
| OKLCH | oklch(0.368 0.084 32.6) |
Copy-ready code
/* CSS */
color: #642c21;
background-color: #642c21;
/* Tailwind (arbitrary) */
class="text-[#642c21] bg-[#642c21]"
/* SCSS */
$brand: #642c21;
/* SwiftUI */
Color(red: 0.392, green: 0.173, blue: 0.129)
/* Android */
Color.parseColor("#642c21")Accessibility — WCAG contrast
Aa
#642c21 on white: 10.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#642c21 on black: 1.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green17.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta56.0%
Yellow67.0%
Key (black)60.8%
Color previews
#642c21 text on a black background
contrast 1.92:1
Card sample
#642c21 text on a white background
contrast 10.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #642c21;
Background color
Panel with #642c21 background
background-color: #642c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #642c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 44, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 44, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #642c21; background: linear-gradient(135deg, #642c21, #645921);