The hexadecimal color code #00289E represents a dark shade in the blue family. In the RGB color model, this color is composed of 0 red, 40 green, and 158 blue, which translates to approximately 0% red, 16% green, and 62% blue. This makes it a highly 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, #00289E has a hue of 225 degrees, a saturation level of 100%, and a lightness value of 31%. The hue angle of 225° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 225°, saturation of 100%, and brightness/value of 62%.
For print applications using the CMYK color model, #00289E would be reproduced using 100% cyan, 75% magenta, 0% yellow, and 38% black. The closest web-safe color is #003399, 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 high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #00289E with other colors, consider its complementary color at hue 45° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 10398, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #00289E
Tailwind CSS
blue-900
HEX
#00289E
RGB
rgb(0, 40, 158)
RGB %
0%, 16%, 62%
HSL
hsl(225, 100%, 31%)
HSV
hsv(225, 100%, 62%)
CMYK
100%, 75%, 0%, 38%
Decimal
10398
Web Safe
#003399
🎨 Color Schemes for #00289E
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #00289E
🌗 Shades and Tints of #00289E
Shades (adding black)
Tints (adding white)
🎚️ Tones of #00289E
Tones (adding gray / desaturating)
🌈 Hue Variations of #00289E
Hue Variations (shifting the color spectrum)
👁️ Preview of #00289E in Use
Text on #00289E
This demonstrates text readability on the color background. (Click to edit)
#00289E as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #00289E
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 Vivid Blue is a medium, vibrant, cool blue color with a hue angle of 225°, saturation of 100%, and lightness of 31%. Its RGB value is (0, 40, 158) and its CMYK breakdown is C:100% M:75% Y:0% K:38%.
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 #00289E
What is the HEX code for Dark Vivid Blue? +
The HEX code for Dark Vivid Blue is #00289E. In CSS you can use it directly as color: #00289E; or as a background: background-color: #00289E;. 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 #00289E? +
The RGB value of #00289E is rgb(0, 40, 158). This means the color contains 0 out of 255 parts red, 40 out of 255 parts green, and 158 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(0, 40, 158);
What is the HSL value of #00289E? +
The HSL value of #00289E is hsl(225, 100%, 31%). The hue is 225°, placing it in the blue family on the color wheel. The saturation is 100%, making it vibrant. The lightness is 31%, 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 #00289E a warm or cool color? +
#00289E is classified as a cool color based on its hue angle of 225°. 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 #00289E? +
The approximate CMYK value of #00289E is C:100% M:75% Y:0% K:38%. 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.
