The hexadecimal color code #42857D represents a dark shade in the cyan family. In the RGB color model, this color is composed of 66 red, 133 green, and 125 blue, which translates to approximately 26% red, 52% green, and 49% 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, #42857D has a hue of 173 degrees, a saturation level of 34%, and a lightness value of 39%. The hue angle of 173° places this color firmly in the cyan spectrum. In the HSV/HSB color model, this translates to a hue of 173°, saturation of 50%, and brightness/value of 52%.
For print applications using the CMYK color model, #42857D would be reproduced using 50% cyan, 0% magenta, 6% yellow, and 48% black. The closest web-safe color is #339966, 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 #42857D with other colors, consider its complementary color at hue 353° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 4359549, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #42857D
Tailwind CSS
slate-500
HEX
#42857D
RGB
rgb(66, 133, 125)
RGB %
26%, 52%, 49%
HSL
hsl(173, 34%, 39%)
HSV
hsv(173, 50%, 52%)
CMYK
50%, 0%, 6%, 48%
Decimal
4359549
Web Safe
#339966
🎨 Color Schemes for #42857D
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #42857D
🌗 Shades and Tints of #42857D
Shades (adding black)
Tints (adding white)
🎚️ Tones of #42857D
Tones (adding gray / desaturating)
🌈 Hue Variations of #42857D
Hue Variations (shifting the color spectrum)
👁️ Preview of #42857D in Use
Text on #42857D
This demonstrates text readability on the color background. (Click to edit)
#42857D as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #42857D
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 Cyan is a medium, moderately saturated, cool cyan color with a hue angle of 173°, saturation of 34%, and lightness of 39%. Its RGB value is (66, 133, 125) and its CMYK breakdown is C:50% M:0% Y:6% K:48%.
This is a Spring (Vital) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #42857D
What is the HEX code for Dark Cyan? +
The HEX code for Dark Cyan is #42857D. In CSS you can use it directly as color: #42857D; or as a background: background-color: #42857D;. 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 #42857D? +
The RGB value of #42857D is rgb(66, 133, 125). This means the color contains 66 out of 255 parts red, 133 out of 255 parts green, and 125 out of 255 parts blue. Red is the weakest (with blue dominant) channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(66, 133, 125);
What is the HSL value of #42857D? +
The HSL value of #42857D is hsl(173, 34%, 39%). The hue is 173°, placing it in the cyan family on the color wheel. The saturation is 34%, making it moderately saturated. The lightness is 39%, 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 #42857D a warm or cool color? +
#42857D is classified as a cool color based on its hue angle of 173°. 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 #42857D? +
The approximate CMYK value of #42857D is C:50% M:0% Y:6% K:48%. 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.
