The hexadecimal color code #669CA3 represents a medium shade in the cyan family. In the RGB color model, this color is composed of 102 red, 156 green, and 163 blue, which translates to approximately 40% red, 61% green, and 64% 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, #669CA3 has a hue of 187 degrees, a saturation level of 25%, and a lightness value of 52%. The hue angle of 187° places this color firmly in the cyan spectrum. In the HSV/HSB color model, this translates to a hue of 187°, saturation of 37%, and brightness/value of 64%.
For print applications using the CMYK color model, #669CA3 would be reproduced using 37% cyan, 4% magenta, 0% yellow, and 36% black. The closest web-safe color is #669999, 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 #669CA3 with other colors, consider its complementary color at hue 7° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 6724771, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #669CA3
Tailwind CSS
slate-500
HEX
#669CA3
RGB
rgb(102, 156, 163)
RGB %
40%, 61%, 64%
HSL
hsl(187, 25%, 52%)
HSV
hsv(187, 37%, 64%)
CMYK
37%, 4%, 0%, 36%
Decimal
6724771
Web Safe
#669999
🎨 Color Schemes for #669CA3
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #669CA3
🌗 Shades and Tints of #669CA3
Shades (adding black)
Tints (adding white)
🎚️ Tones of #669CA3
Tones (adding gray / desaturating)
🌈 Hue Variations of #669CA3
Hue Variations (shifting the color spectrum)
👁️ Preview of #669CA3 in Use
Text on #669CA3
This demonstrates text readability on the color background. (Click to edit)
#669CA3 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #669CA3
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.
Cyan is a medium, moderately saturated, cool cyan color with a hue angle of 187°, saturation of 25%, and lightness of 52%. Its RGB value is (102, 156, 163) and its CMYK breakdown is C:37% M:4% Y:0% K:36%.
This is a Summer (Cool) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #669CA3
What is the HEX code for Cyan? +
The HEX code for Cyan is #669CA3. In CSS you can use it directly as color: #669CA3; or as a background: background-color: #669CA3;. 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 #669CA3? +
The RGB value of #669CA3 is rgb(102, 156, 163). This means the color contains 102 out of 255 parts red, 156 out of 255 parts green, and 163 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, 156, 163);
What is the HSL value of #669CA3? +
The HSL value of #669CA3 is hsl(187, 25%, 52%). The hue is 187°, placing it in the cyan family on the color wheel. The saturation is 25%, making it moderately saturated. The lightness is 52%, 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 #669CA3 a warm or cool color? +
#669CA3 is classified as a cool color based on its hue angle of 187°. 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 #669CA3? +
The approximate CMYK value of #669CA3 is C:37% M:4% Y:0% K:36%. 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.
