#642a21
a dark, vivid red · warm · closest name: sienna
RGB
100, 42, 33
HSL
8°, 50%, 26%
CMYK
0, 58, 67, 61
Luminance
0.0448
Every format
| HEX | #642a21 |
| RGB | rgb(100, 42, 33) |
| HSL | hsl(8, 50%, 26%) |
| CMYK | cmyk(0%, 58%, 67%, 61%) |
| LAB | lab(25.2 25.4 18.5) |
| LCH | lch(25.2 31.5 36.1) |
| OKLCH | oklch(0.365 0.086 30.7) |
Copy-ready code
/* CSS */
color: #642a21;
background-color: #642a21;
/* Tailwind (arbitrary) */
class="text-[#642a21] bg-[#642a21]"
/* SCSS */
$brand: #642a21;
/* SwiftUI */
Color(red: 0.392, green: 0.165, blue: 0.129)
/* Android */
Color.parseColor("#642a21")Accessibility — WCAG contrast
Aa
#642a21 on white: 11.08:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#642a21 on black: 1.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green16.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta58.0%
Yellow67.0%
Key (black)60.8%
Color previews
#642a21 text on a black background
contrast 1.90:1
Card sample
#642a21 text on a white background
contrast 11.08:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #642a21;
Background color
Panel with #642a21 background
background-color: #642a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #642a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 42, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 42, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #642a21; background: linear-gradient(135deg, #642a21, #645721);