The hexadecimal color code #E45B21 represents a medium shade in the red family. In the RGB color model, this color is composed of 228 red, 91 green, and 33 blue, which translates to approximately 89% red, 36% green, and 13% blue. This makes it a moderately saturated color with warm undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #E45B21 has a hue of 18 degrees, a saturation level of 78%, and a lightness value of 51%. The hue angle of 18° places this color firmly in the red spectrum. In the HSV/HSB color model, this translates to a hue of 18°, saturation of 86%, and brightness/value of 89%.
For print applications using the CMYK color model, #E45B21 would be reproduced using 0% cyan, 60% magenta, 86% yellow, and 11% black. The closest web-safe color is #CC6633, 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 #E45B21 with other colors, consider its complementary color at hue 198° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 14965537, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #E45B21
Tailwind CSS
orange-600
HEX
#E45B21
RGB
rgb(228, 91, 33)
RGB %
89%, 36%, 13%
HSL
hsl(18, 78%, 51%)
HSV
hsv(18, 86%, 89%)
CMYK
0%, 60%, 86%, 11%
Decimal
14965537
Web Safe
#CC6633
🎨 Color Schemes for #E45B21
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #E45B21
🌗 Shades and Tints of #E45B21
Shades (adding black)
Tints (adding white)
🎚️ Tones of #E45B21
Tones (adding gray / desaturating)
🌈 Hue Variations of #E45B21
Hue Variations (shifting the color spectrum)
👁️ Preview of #E45B21 in Use
Text on #E45B21
This demonstrates text readability on the color background. (Click to edit)
#E45B21 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #E45B21
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.
Vivid Vermilion is a medium, vibrant, warm red color with a hue angle of 18°, saturation of 78%, and lightness of 51%. Its RGB value is (228, 91, 33) and its CMYK breakdown is C:0% M:60% Y:86% K:11%.
This is a Summer (Cool) color palette archetype. Passion, Energy, Action, Danger. Red is a powerful color that evokes strong emotions and captures attention immediately.
Frequently Asked Questions About #E45B21
What is the HEX code for Vivid Vermilion? +
The HEX code for Vivid Vermilion is #E45B21. In CSS you can use it directly as color: #E45B21; or as a background: background-color: #E45B21;. 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 #E45B21? +
The RGB value of #E45B21 is rgb(228, 91, 33). This means the color contains 228 out of 255 parts red, 91 out of 255 parts green, and 33 out of 255 parts blue. Red is the strongest channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(228, 91, 33);
What is the HSL value of #E45B21? +
The HSL value of #E45B21 is hsl(18, 78%, 51%). The hue is 18°, placing it in the red family on the color wheel. The saturation is 78%, making it vibrant. The lightness is 51%, 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 #E45B21 a warm or cool color? +
#E45B21 is classified as a warm color based on its hue angle of 18°. Warm colors — reds, oranges, and yellows — evoke energy, enthusiasm, and urgency. They tend to advance visually and draw the eye. In design, warm colors are often used for calls-to-action, food and hospitality brands, and anywhere a feeling of warmth or excitement is desired.
What is the CMYK value of #E45B21? +
The approximate CMYK value of #E45B21 is C:0% M:60% Y:86% K:11%. 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.
