The hexadecimal color code #217D91 represents a dark shade in the cyan family. In the RGB color model, this color is composed of 33 red, 125 green, and 145 blue, which translates to approximately 13% red, 49% green, and 57% blue. This makes it a moderately saturated color with cool undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #217D91 has a hue of 191 degrees, a saturation level of 63%, and a lightness value of 35%. 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 77%, and brightness/value of 57%.
For print applications using the CMYK color model, #217D91 would be reproduced using 77% cyan, 14% magenta, 0% yellow, and 43% black. The closest web-safe color is #336699, 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 high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #217D91 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 2194833, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #217D91
Tailwind CSS
cyan-700
HEX
#217D91
RGB
rgb(33, 125, 145)
RGB %
13%, 49%, 57%
HSL
hsl(191, 63%, 35%)
HSV
hsv(191, 77%, 57%)
CMYK
77%, 14%, 0%, 43%
Decimal
2194833
Web Safe
#336699
🎨 Color Schemes for #217D91
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #217D91
🌗 Shades and Tints of #217D91
Shades (adding black)
Tints (adding white)
🎚️ Tones of #217D91
Tones (adding gray / desaturating)
🌈 Hue Variations of #217D91
Hue Variations (shifting the color spectrum)
👁️ Preview of #217D91 in Use
Text on #217D91
This demonstrates text readability on the color background. (Click to edit)
#217D91 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #217D91
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 Cool Cyan is a medium, vibrant, cool cyan color with a hue angle of 191°, saturation of 63%, and lightness of 35%. Its RGB value is (33, 125, 145) and its CMYK breakdown is C:77% M:14% Y:0% K:43%.
This is a Summer (Cool) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #217D91
What is the HEX code for Dark Cool Cyan? +
The HEX code for Dark Cool Cyan is #217D91. In CSS you can use it directly as color: #217D91; or as a background: background-color: #217D91;. 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 #217D91? +
The RGB value of #217D91 is rgb(33, 125, 145). This means the color contains 33 out of 255 parts red, 125 out of 255 parts green, and 145 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(33, 125, 145);
What is the HSL value of #217D91? +
The HSL value of #217D91 is hsl(191, 63%, 35%). The hue is 191°, placing it in the cyan family on the color wheel. The saturation is 63%, making it vibrant. The lightness is 35%, 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 #217D91 a warm or cool color? +
#217D91 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 #217D91? +
The approximate CMYK value of #217D91 is C:77% M:14% Y:0% K:43%. 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.
