The hexadecimal color code #18383F represents a very dark shade in the cyan family. In the RGB color model, this color is composed of 24 red, 56 green, and 63 blue, which translates to approximately 9% red, 22% green, and 25% 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, #18383F has a hue of 191 degrees, a saturation level of 45%, and a lightness value of 17%. The hue angle of 191° places this color firmly in the cyan spectrum. In the HSV/HSB color model, this translates to a hue of 191°, saturation of 62%, and brightness/value of 25%.
For print applications using the CMYK color model, #18383F would be reproduced using 62% cyan, 11% magenta, 0% yellow, and 75% black. The closest web-safe color is #003333, 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 #18383F with other colors, consider its complementary color at hue 11° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1587263, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #18383F
Tailwind CSS
slate-800
HEX
#18383F
RGB
rgb(24, 56, 63)
RGB %
9%, 22%, 25%
HSL
hsl(191, 45%, 17%)
HSV
hsv(191, 62%, 25%)
CMYK
62%, 11%, 0%, 75%
Decimal
1587263
Web Safe
#003333
🎨 Color Schemes for #18383F
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #18383F
🌗 Shades and Tints of #18383F
Shades (adding black)
Tints (adding white)
🎚️ Tones of #18383F
Tones (adding gray / desaturating)
🌈 Hue Variations of #18383F
Hue Variations (shifting the color spectrum)
👁️ Preview of #18383F in Use
Text on #18383F
This demonstrates text readability on the color background. (Click to edit)
#18383F as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #18383F
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 Cyan is a dark, moderately saturated, cool cyan color with a hue angle of 191°, saturation of 45%, and lightness of 17%. Its RGB value is (24, 56, 63) and its CMYK breakdown is C:62% M:11% Y:0% K:75%.
This is a Winter (Deep) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #18383F
What is the HEX code for Deep Cyan? +
The HEX code for Deep Cyan is #18383F. In CSS you can use it directly as color: #18383F; or as a background: background-color: #18383F;. 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 #18383F? +
The RGB value of #18383F is rgb(24, 56, 63). This means the color contains 24 out of 255 parts red, 56 out of 255 parts green, and 63 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, 56, 63);
What is the HSL value of #18383F? +
The HSL value of #18383F is hsl(191, 45%, 17%). The hue is 191°, placing it in the cyan family on the color wheel. The saturation is 45%, making it moderately saturated. The lightness is 17%, 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 #18383F a warm or cool color? +
#18383F is classified as a cool color based on its hue angle of 191°. 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 #18383F? +
The approximate CMYK value of #18383F is C:62% M:11% Y:0% K:75%. 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.
