The hexadecimal color code #643F35 represents a dark shade in the red family. In the RGB color model, this color is composed of 100 red, 63 green, and 53 blue, which translates to approximately 39% red, 25% green, and 21% blue. This makes it a slightly desaturated color with warm undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #643F35 has a hue of 13 degrees, a saturation level of 31%, and a lightness value of 30%. The hue angle of 13° places this color firmly in the red spectrum. In the HSV/HSB color model, this translates to a hue of 13°, saturation of 47%, and brightness/value of 39%.
For print applications using the CMYK color model, #643F35 would be reproduced using 0% cyan, 37% magenta, 47% yellow, and 61% black. The closest web-safe color is #663333, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. With its medium lightness, it's versatile enough for both foreground elements and subtle backgrounds. The moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #643F35 with other colors, consider its complementary color at hue 193° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 6569781, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #643F35
Tailwind CSS
stone-700
HEX
#643F35
RGB
rgb(100, 63, 53)
RGB %
39%, 25%, 21%
HSL
hsl(13, 31%, 30%)
HSV
hsv(13, 47%, 39%)
CMYK
0%, 37%, 47%, 61%
Decimal
6569781
Web Safe
#663333
🎨 Color Schemes for #643F35
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #643F35
🌗 Shades and Tints of #643F35
Shades (adding black)
Tints (adding white)
🎚️ Tones of #643F35
Tones (adding gray / desaturating)
🌈 Hue Variations of #643F35
Hue Variations (shifting the color spectrum)
👁️ Preview of #643F35 in Use
Text on #643F35
This demonstrates text readability on the color background. (Click to edit)
#643F35 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #643F35
Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.
Dark Red is a medium, moderately saturated, warm red color with a hue angle of 13°, saturation of 31%, and lightness of 30%. Its RGB value is (100, 63, 53) and its CMYK breakdown is C:0% M:37% Y:47% K:61%.
This is a Summer (Cool) color palette archetype. Passion, Energy, Action, Danger. Red is a powerful color that evokes strong emotions and captures attention immediately.
Frequently Asked Questions About #643F35
What is the HEX code for Dark Red? +
The HEX code for Dark Red is #643F35. In CSS you can use it directly as color: #643F35; or as a background: background-color: #643F35;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.
What is the RGB value of #643F35? +
The RGB value of #643F35 is rgb(100, 63, 53). This means the color contains 100 out of 255 parts red, 63 out of 255 parts green, and 53 out of 255 parts blue. Red is the strongest channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(100, 63, 53);
What is the HSL value of #643F35? +
The HSL value of #643F35 is hsl(13, 31%, 30%). The hue is 13°, placing it in the red family on the color wheel. The saturation is 31%, making it moderately saturated. The lightness is 30%, making it medium. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #643F35 a warm or cool color? +
#643F35 is classified as a warm color based on its hue angle of 13°. Warm colors — reds, oranges, and yellows — evoke energy, enthusiasm, and urgency. They tend to advance visually and draw the eye. In design, warm colors are often used for calls-to-action, food and hospitality brands, and anywhere a feeling of warmth or excitement is desired.
What is the CMYK value of #643F35? +
The approximate CMYK value of #643F35 is C:0% M:37% Y:47% K:61%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.
