The hexadecimal color code #455F78 represents a dark shade in the cyan family. In the RGB color model, this color is composed of 69 red, 95 green, and 120 blue, which translates to approximately 27% red, 37% 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, #455F78 has a hue of 209 degrees, a saturation level of 27%, and a lightness value of 37%. The hue angle of 209° places this color firmly in the cyan spectrum. In the HSV/HSB color model, this translates to a hue of 209°, saturation of 43%, and brightness/value of 47%.
For print applications using the CMYK color model, #455F78 would be reproduced using 43% cyan, 21% 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 #455F78 with other colors, consider its complementary color at hue 29° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 4546424, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #455F78
Tailwind CSS
slate-600
HEX
#455F78
RGB
rgb(69, 95, 120)
RGB %
27%, 37%, 47%
HSL
hsl(209, 27%, 37%)
HSV
hsv(209, 43%, 47%)
CMYK
43%, 21%, 0%, 53%
Decimal
4546424
Web Safe
#336666
🎨 Color Schemes for #455F78
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #455F78
🌗 Shades and Tints of #455F78
Shades (adding black)
Tints (adding white)
🎚️ Tones of #455F78
Tones (adding gray / desaturating)
🌈 Hue Variations of #455F78
Hue Variations (shifting the color spectrum)
👁️ Preview of #455F78 in Use
Text on #455F78
This demonstrates text readability on the color background. (Click to edit)
#455F78 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #455F78
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 cyan color with a hue angle of 209°, saturation of 27%, and lightness of 37%. Its RGB value is (69, 95, 120) and its CMYK breakdown is C:43% M:21% Y:0% K:53%.
This is a Summer (Cool) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #455F78
What is the HEX code for Dark Azure? +
The HEX code for Dark Azure is #455F78. In CSS you can use it directly as color: #455F78; or as a background: background-color: #455F78;. 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 #455F78? +
The RGB value of #455F78 is rgb(69, 95, 120). This means the color contains 69 out of 255 parts red, 95 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(69, 95, 120);
What is the HSL value of #455F78? +
The HSL value of #455F78 is hsl(209, 27%, 37%). The hue is 209°, placing it in the cyan family on the color wheel. The saturation is 27%, making it moderately saturated. The lightness is 37%, 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 #455F78 a warm or cool color? +
#455F78 is classified as a cool color based on its hue angle of 209°. 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 #455F78? +
The approximate CMYK value of #455F78 is C:43% M:21% 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.
