The hexadecimal color code #665E68 represents a dark shade in the gray family. In the RGB color model, this color is composed of 102 red, 94 green, and 104 blue, which translates to approximately 40% red, 37% green, and 41% blue. This makes it a nearly neutral color with cool undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #665E68 has a hue of 288 degrees, a saturation level of 5%, and a lightness value of 39%. The hue angle of 288° places this color firmly in the gray spectrum. In the HSV/HSB color model, this translates to a hue of 288°, saturation of 10%, and brightness/value of 41%.
For print applications using the CMYK color model, #665E68 would be reproduced using 2% cyan, 10% magenta, 0% yellow, and 59% black. The closest web-safe color is #666666, 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 #665E68 with other colors, consider its complementary color at hue 108° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 6708840, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #665E68
Tailwind CSS
stone-500
HEX
#665E68
RGB
rgb(102, 94, 104)
RGB %
40%, 37%, 41%
HSL
hsl(288, 5%, 39%)
HSV
hsv(288, 10%, 41%)
CMYK
2%, 10%, 0%, 59%
Decimal
6708840
Web Safe
#666666
🎨 Color Schemes for #665E68
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #665E68
🌗 Shades and Tints of #665E68
Shades (adding black)
Tints (adding white)
🎚️ Tones of #665E68
Tones (adding gray / desaturating)
🌈 Hue Variations of #665E68
Hue Variations (shifting the color spectrum)
👁️ Preview of #665E68 in Use
Text on #665E68
This demonstrates text readability on the color background. (Click to edit)
#665E68 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #665E68
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 Gray is a medium, muted, cool gray color with a hue angle of 288°, saturation of 5%, and lightness of 39%. Its RGB value is (102, 94, 104) and its CMYK breakdown is C:2% M:10% Y:0% K:59%.
This is a Winter (Muted) color palette archetype. Royalty, Luxury, Ambition, Magic. Purple combines the stability of blue and the energy of red.
Frequently Asked Questions About #665E68
What is the HEX code for Dark Gray? +
The HEX code for Dark Gray is #665E68. In CSS you can use it directly as color: #665E68; or as a background: background-color: #665E68;. 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 #665E68? +
The RGB value of #665E68 is rgb(102, 94, 104). This means the color contains 102 out of 255 parts red, 94 out of 255 parts green, and 104 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(102, 94, 104);
What is the HSL value of #665E68? +
The HSL value of #665E68 is hsl(288, 5%, 39%). The hue is 288°, placing it in the gray family on the color wheel. The saturation is 5%, making it muted. 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 #665E68 a warm or cool color? +
#665E68 is classified as a cool color based on its hue angle of 288°. 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 #665E68? +
The approximate CMYK value of #665E68 is C:2% M:10% Y:0% K:59%. 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.
