The hexadecimal color code #180D21 represents a very dark shade in the purple family. In the RGB color model, this color is composed of 24 red, 13 green, and 33 blue, which translates to approximately 9% red, 5% green, and 13% blue. This makes it a slightly desaturated color with cool undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #180D21 has a hue of 273 degrees, a saturation level of 43%, and a lightness value of 9%. The hue angle of 273° places this color firmly in the purple spectrum. In the HSV/HSB color model, this translates to a hue of 273°, saturation of 61%, and brightness/value of 13%.
For print applications using the CMYK color model, #180D21 would be reproduced using 27% cyan, 61% magenta, 0% yellow, and 87% black. The closest web-safe color is #000033, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. As a darker shade, it works well for text, headers, and creating visual weight in compositions. The moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #180D21 with other colors, consider its complementary color at hue 93° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1576225, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #180D21
Tailwind CSS
zinc-900
HEX
#180D21
RGB
rgb(24, 13, 33)
RGB %
9%, 5%, 13%
HSL
hsl(273, 43%, 9%)
HSV
hsv(273, 61%, 13%)
CMYK
27%, 61%, 0%, 87%
Decimal
1576225
Web Safe
#000033
🎨 Color Schemes for #180D21
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #180D21
🌗 Shades and Tints of #180D21
Shades (adding black)
Tints (adding white)
🎚️ Tones of #180D21
Tones (adding gray / desaturating)
🌈 Hue Variations of #180D21
Hue Variations (shifting the color spectrum)
👁️ Preview of #180D21 in Use
Text on #180D21
This demonstrates text readability on the color background. (Click to edit)
#180D21 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #180D21
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.
Deep Violet is a dark, moderately saturated, cool purple color with a hue angle of 273°, saturation of 43%, and lightness of 9%. Its RGB value is (24, 13, 33) and its CMYK breakdown is C:27% M:61% Y:0% K:87%.
This is a Winter (Deep) color palette archetype. Royalty, Luxury, Ambition, Magic. Purple combines the stability of blue and the energy of red.
Frequently Asked Questions About #180D21
What is the HEX code for Deep Violet? +
The HEX code for Deep Violet is #180D21. In CSS you can use it directly as color: #180D21; or as a background: background-color: #180D21;. 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 #180D21? +
The RGB value of #180D21 is rgb(24, 13, 33). This means the color contains 24 out of 255 parts red, 13 out of 255 parts green, and 33 out of 255 parts blue. Red is the moderate channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(24, 13, 33);
What is the HSL value of #180D21? +
The HSL value of #180D21 is hsl(273, 43%, 9%). The hue is 273°, placing it in the purple family on the color wheel. The saturation is 43%, making it moderately saturated. The lightness is 9%, making it dark. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #180D21 a warm or cool color? +
#180D21 is classified as a cool color based on its hue angle of 273°. Cool colors — blues, greens, and purples — evoke calm, trust, and professionalism. They tend to recede visually and create a feeling of space. In design, cool colors are often used for technology, healthcare, and finance brands, as well as anywhere a sense of calm or reliability is needed.
What is the CMYK value of #180D21? +
The approximate CMYK value of #180D21 is C:27% M:61% Y:0% K:87%. 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.
