The hexadecimal color code #28303E represents a very dark shade in the blue family. In the RGB color model, this color is composed of 40 red, 48 green, and 62 blue, which translates to approximately 16% red, 19% green, and 24% 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, #28303E has a hue of 218 degrees, a saturation level of 22%, and a lightness value of 20%. The hue angle of 218° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 218°, saturation of 35%, and brightness/value of 24%.
For print applications using the CMYK color model, #28303E would be reproduced using 35% cyan, 23% magenta, 0% yellow, and 76% black. The closest web-safe color is #333333, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. As a darker shade, it works well for text, headers, and creating visual weight in compositions. The moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #28303E with other colors, consider its complementary color at hue 38° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 2633790, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #28303E
Tailwind CSS
slate-800
HEX
#28303E
RGB
rgb(40, 48, 62)
RGB %
16%, 19%, 24%
HSL
hsl(218, 22%, 20%)
HSV
hsv(218, 35%, 24%)
CMYK
35%, 23%, 0%, 76%
Decimal
2633790
Web Safe
#333333
🎨 Color Schemes for #28303E
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #28303E
🌗 Shades and Tints of #28303E
Shades (adding black)
Tints (adding white)
🎚️ Tones of #28303E
Tones (adding gray / desaturating)
🌈 Hue Variations of #28303E
Hue Variations (shifting the color spectrum)
👁️ Preview of #28303E in Use
Text on #28303E
This demonstrates text readability on the color background. (Click to edit)
#28303E as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #28303E
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.
Deep Muted Azure is a dark, moderately saturated, cool blue color with a hue angle of 218°, saturation of 22%, and lightness of 20%. Its RGB value is (40, 48, 62) and its CMYK breakdown is C:35% M:23% Y:0% K:76%.
This is a Winter (Deep) color palette archetype. Trust, Loyalty, Wisdom, Confidence. Blue is considered beneficial to the mind and body.
Frequently Asked Questions About #28303E
What is the HEX code for Deep Muted Azure? +
The HEX code for Deep Muted Azure is #28303E. In CSS you can use it directly as color: #28303E; or as a background: background-color: #28303E;. 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 #28303E? +
The RGB value of #28303E is rgb(40, 48, 62). This means the color contains 40 out of 255 parts red, 48 out of 255 parts green, and 62 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(40, 48, 62);
What is the HSL value of #28303E? +
The HSL value of #28303E is hsl(218, 22%, 20%). The hue is 218°, placing it in the blue family on the color wheel. The saturation is 22%, making it moderately saturated. The lightness is 20%, making it dark. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #28303E a warm or cool color? +
#28303E is classified as a cool color based on its hue angle of 218°. 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 #28303E? +
The approximate CMYK value of #28303E is C:35% M:23% Y:0% K:76%. 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.
