The hexadecimal color code #333B5B represents a dark shade in the blue family. In the RGB color model, this color is composed of 51 red, 59 green, and 91 blue, which translates to approximately 20% red, 23% green, and 36% 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, #333B5B has a hue of 228 degrees, a saturation level of 28%, and a lightness value of 28%. The hue angle of 228° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 228°, saturation of 44%, and brightness/value of 36%.
For print applications using the CMYK color model, #333B5B would be reproduced using 44% cyan, 35% magenta, 0% yellow, and 64% black. The closest web-safe color is #333366, 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 #333B5B with other colors, consider its complementary color at hue 48° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3357531, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #333B5B
Tailwind CSS
slate-700
HEX
#333B5B
RGB
rgb(51, 59, 91)
RGB %
20%, 23%, 36%
HSL
hsl(228, 28%, 28%)
HSV
hsv(228, 44%, 36%)
CMYK
44%, 35%, 0%, 64%
Decimal
3357531
Web Safe
#333366
🎨 Color Schemes for #333B5B
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #333B5B
🌗 Shades and Tints of #333B5B
Shades (adding black)
Tints (adding white)
🎚️ Tones of #333B5B
Tones (adding gray / desaturating)
🌈 Hue Variations of #333B5B
Hue Variations (shifting the color spectrum)
👁️ Preview of #333B5B in Use
Text on #333B5B
This demonstrates text readability on the color background. (Click to edit)
#333B5B as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #333B5B
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 Blue is a dark, moderately saturated, cool blue color with a hue angle of 228°, saturation of 28%, and lightness of 28%. Its RGB value is (51, 59, 91) and its CMYK breakdown is C:44% M:35% Y:0% K:64%.
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 #333B5B
What is the HEX code for Dark Blue? +
The HEX code for Dark Blue is #333B5B. In CSS you can use it directly as color: #333B5B; or as a background: background-color: #333B5B;. 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 #333B5B? +
The RGB value of #333B5B is rgb(51, 59, 91). This means the color contains 51 out of 255 parts red, 59 out of 255 parts green, and 91 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(51, 59, 91);
What is the HSL value of #333B5B? +
The HSL value of #333B5B is hsl(228, 28%, 28%). The hue is 228°, placing it in the blue family on the color wheel. The saturation is 28%, making it moderately saturated. The lightness is 28%, 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 #333B5B a warm or cool color? +
#333B5B is classified as a cool color based on its hue angle of 228°. 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 #333B5B? +
The approximate CMYK value of #333B5B is C:44% M:35% Y:0% K:64%. 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.
