The hexadecimal color code #309C8F represents a dark shade in the cyan family. In the RGB color model, this color is composed of 48 red, 156 green, and 143 blue, which translates to approximately 19% red, 61% green, and 56% 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, #309C8F has a hue of 173 degrees, a saturation level of 53%, and a lightness value of 40%. 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 69%, and brightness/value of 61%.
For print applications using the CMYK color model, #309C8F would be reproduced using 69% cyan, 0% magenta, 8% yellow, and 39% black. The closest web-safe color is #339999, 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 #309C8F 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 3185807, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #309C8F
Tailwind CSS
teal-600
HEX
#309C8F
RGB
rgb(48, 156, 143)
RGB %
19%, 61%, 56%
HSL
hsl(173, 53%, 40%)
HSV
hsv(173, 69%, 61%)
CMYK
69%, 0%, 8%, 39%
Decimal
3185807
Web Safe
#339999
🎨 Color Schemes for #309C8F
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #309C8F
🌗 Shades and Tints of #309C8F
Shades (adding black)
Tints (adding white)
🎚️ Tones of #309C8F
Tones (adding gray / desaturating)
🌈 Hue Variations of #309C8F
Hue Variations (shifting the color spectrum)
👁️ Preview of #309C8F in Use
Text on #309C8F
This demonstrates text readability on the color background. (Click to edit)
#309C8F as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #309C8F
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, moderately saturated, cool cyan color with a hue angle of 173°, saturation of 53%, and lightness of 40%. Its RGB value is (48, 156, 143) and its CMYK breakdown is C:69% M:0% Y:8% K:39%.
This is a Spring (Vital) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #309C8F
What is the HEX code for Dark Cool Cyan? +
The HEX code for Dark Cool Cyan is #309C8F. In CSS you can use it directly as color: #309C8F; or as a background: background-color: #309C8F;. 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 #309C8F? +
The RGB value of #309C8F is rgb(48, 156, 143). This means the color contains 48 out of 255 parts red, 156 out of 255 parts green, and 143 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(48, 156, 143);
What is the HSL value of #309C8F? +
The HSL value of #309C8F is hsl(173, 53%, 40%). The hue is 173°, placing it in the cyan family on the color wheel. The saturation is 53%, making it moderately saturated. The lightness is 40%, 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 #309C8F a warm or cool color? +
#309C8F 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 #309C8F? +
The approximate CMYK value of #309C8F is C:69% M:0% Y:8% K:39%. 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.
