The hexadecimal color code #181715 represents a very dark shade in the black family. In the RGB color model, this color is composed of 24 red, 23 green, and 21 blue, which translates to approximately 9% red, 9% green, and 8% blue. This makes it a nearly neutral color with warm undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #181715 has a hue of 40 degrees, a saturation level of 7%, and a lightness value of 9%. The hue angle of 40° places this color firmly in the black spectrum. In the HSV/HSB color model, this translates to a hue of 40°, saturation of 13%, and brightness/value of 9%.
For print applications using the CMYK color model, #181715 would be reproduced using 0% cyan, 4% magenta, 13% yellow, and 91% black. The closest web-safe color is #000000, 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 #181715 with other colors, consider its complementary color at hue 220° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1578773, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #181715
Tailwind CSS
neutral-900
HEX
#181715
RGB
rgb(24, 23, 21)
RGB %
9%, 9%, 8%
HSL
hsl(40, 7%, 9%)
HSV
hsv(40, 13%, 9%)
CMYK
0%, 4%, 13%, 91%
Decimal
1578773
Web Safe
#000000
🎨 Color Schemes for #181715
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #181715
🌗 Shades and Tints of #181715
Shades (adding black)
Tints (adding white)
🎚️ Tones of #181715
Tones (adding gray / desaturating)
🌈 Hue Variations of #181715
Hue Variations (shifting the color spectrum)
👁️ Preview of #181715 in Use
Text on #181715
This demonstrates text readability on the color background. (Click to edit)
#181715 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #181715
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 Gray is a dark, muted, warm black color with a hue angle of 40°, saturation of 7%, and lightness of 9%. Its RGB value is (24, 23, 21) and its CMYK breakdown is C:0% M:4% Y:13% K:91%.
This is a Winter (Muted) color palette archetype. Creativity, Adventure, Enthusiasm, Success. Orange combines the energy of red and the happiness of yellow.
Frequently Asked Questions About #181715
What is the HEX code for Deep Gray? +
The HEX code for Deep Gray is #181715. In CSS you can use it directly as color: #181715; or as a background: background-color: #181715;. 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 #181715? +
The RGB value of #181715 is rgb(24, 23, 21). This means the color contains 24 out of 255 parts red, 23 out of 255 parts green, and 21 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(24, 23, 21);
What is the HSL value of #181715? +
The HSL value of #181715 is hsl(40, 7%, 9%). The hue is 40°, placing it in the black family on the color wheel. The saturation is 7%, making it muted. 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 #181715 a warm or cool color? +
#181715 is classified as a warm color based on its hue angle of 40°. 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 #181715? +
The approximate CMYK value of #181715 is C:0% M:4% Y:13% K:91%. 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.
