The hexadecimal color code #304E78 represents a dark shade in the blue family. In the RGB color model, this color is composed of 48 red, 78 green, and 120 blue, which translates to approximately 19% red, 31% green, and 47% 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, #304E78 has a hue of 215 degrees, a saturation level of 43%, and a lightness value of 33%. The hue angle of 215° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 215°, saturation of 60%, and brightness/value of 47%.
For print applications using the CMYK color model, #304E78 would be reproduced using 60% cyan, 35% magenta, 0% yellow, and 53% black. The closest web-safe color is #336666, 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 #304E78 with other colors, consider its complementary color at hue 35° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3165816, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #304E78
Tailwind CSS
slate-600
HEX
#304E78
RGB
rgb(48, 78, 120)
RGB %
19%, 31%, 47%
HSL
hsl(215, 43%, 33%)
HSV
hsv(215, 60%, 47%)
CMYK
60%, 35%, 0%, 53%
Decimal
3165816
Web Safe
#336666
🎨 Color Schemes for #304E78
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #304E78
🌗 Shades and Tints of #304E78
Shades (adding black)
Tints (adding white)
🎚️ Tones of #304E78
Tones (adding gray / desaturating)
🌈 Hue Variations of #304E78
Hue Variations (shifting the color spectrum)
👁️ Preview of #304E78 in Use
Text on #304E78
This demonstrates text readability on the color background. (Click to edit)
#304E78 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #304E78
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 Azure is a medium, moderately saturated, cool blue color with a hue angle of 215°, saturation of 43%, and lightness of 33%. Its RGB value is (48, 78, 120) and its CMYK breakdown is C:60% M:35% Y:0% K:53%.
This is a Summer (Cool) color palette archetype. Trust, Loyalty, Wisdom, Confidence. Blue is considered beneficial to the mind and body.
Frequently Asked Questions About #304E78
What is the HEX code for Dark Azure? +
The HEX code for Dark Azure is #304E78. In CSS you can use it directly as color: #304E78; or as a background: background-color: #304E78;. 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 #304E78? +
The RGB value of #304E78 is rgb(48, 78, 120). This means the color contains 48 out of 255 parts red, 78 out of 255 parts green, and 120 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(48, 78, 120);
What is the HSL value of #304E78? +
The HSL value of #304E78 is hsl(215, 43%, 33%). The hue is 215°, placing it in the blue family on the color wheel. The saturation is 43%, making it moderately saturated. The lightness is 33%, 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 #304E78 a warm or cool color? +
#304E78 is classified as a cool color based on its hue angle of 215°. 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 #304E78? +
The approximate CMYK value of #304E78 is C:60% M:35% Y:0% K:53%. 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.
