The hexadecimal color code #399DF3 represents a medium shade in the cyan family. In the RGB color model, this color is composed of 57 red, 157 green, and 243 blue, which translates to approximately 22% red, 62% green, and 95% 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, #399DF3 has a hue of 208 degrees, a saturation level of 89%, and a lightness value of 59%. The hue angle of 208° places this color firmly in the cyan spectrum. In the HSV/HSB color model, this translates to a hue of 208°, saturation of 77%, and brightness/value of 95%.
For print applications using the CMYK color model, #399DF3 would be reproduced using 77% cyan, 35% magenta, 0% yellow, and 5% black. The closest web-safe color is #3399FF, 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 #399DF3 with other colors, consider its complementary color at hue 28° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3775987, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #399DF3
Tailwind CSS
blue-500
HEX
#399DF3
RGB
rgb(57, 157, 243)
RGB %
22%, 62%, 95%
HSL
hsl(208, 89%, 59%)
HSV
hsv(208, 77%, 95%)
CMYK
77%, 35%, 0%, 5%
Decimal
3775987
Web Safe
#3399FF
🎨 Color Schemes for #399DF3
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #399DF3
🌗 Shades and Tints of #399DF3
Shades (adding black)
Tints (adding white)
🎚️ Tones of #399DF3
Tones (adding gray / desaturating)
🌈 Hue Variations of #399DF3
Hue Variations (shifting the color spectrum)
👁️ Preview of #399DF3 in Use
Text on #399DF3
This demonstrates text readability on the color background. (Click to edit)
#399DF3 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #399DF3
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.
Soft Vivid Azure is a medium, vibrant, cool cyan color with a hue angle of 208°, saturation of 89%, and lightness of 59%. Its RGB value is (57, 157, 243) and its CMYK breakdown is C:77% M:35% Y:0% K:5%.
This is a Summer (Cool) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.
Frequently Asked Questions About #399DF3
What is the HEX code for Soft Vivid Azure? +
The HEX code for Soft Vivid Azure is #399DF3. In CSS you can use it directly as color: #399DF3; or as a background: background-color: #399DF3;. 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 #399DF3? +
The RGB value of #399DF3 is rgb(57, 157, 243). This means the color contains 57 out of 255 parts red, 157 out of 255 parts green, and 243 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(57, 157, 243);
What is the HSL value of #399DF3? +
The HSL value of #399DF3 is hsl(208, 89%, 59%). The hue is 208°, placing it in the cyan family on the color wheel. The saturation is 89%, making it vibrant. The lightness is 59%, 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 #399DF3 a warm or cool color? +
#399DF3 is classified as a cool color based on its hue angle of 208°. 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 #399DF3? +
The approximate CMYK value of #399DF3 is C:77% M:35% Y:0% K:5%. 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.
