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#403AD4 (Cool Blue) color swatch preview — Color From Pic.
#403AD4 — Cool Blue color swatch

Cool Blue

#403AD4

📝 Color Information for #403AD4

The hexadecimal color code #403AD4 represents a medium shade in the blue family. In the RGB color model, this color is composed of 64 red, 58 green, and 212 blue, which translates to approximately 25% red, 23% green, and 83% blue. This makes it a moderately 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, #403AD4 has a hue of 242 degrees, a saturation level of 64%, and a lightness value of 53%. The hue angle of 242° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 242°, saturation of 73%, and brightness/value of 83%. For print applications using the CMYK color model, #403AD4 would be reproduced using 70% cyan, 73% magenta, 0% yellow, and 17% black. The closest web-safe color is #3333CC, 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 #403AD4 with other colors, consider its complementary color at hue 62° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 4209364, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #403AD4

Tailwind CSS
indigo-700
HEX
#403AD4
RGB
rgb(64, 58, 212)
RGB %
25%, 23%, 83%
HSL
hsl(242, 64%, 53%)
HSV
hsv(242, 73%, 83%)
CMYK
70%, 73%, 0%, 17%
Decimal
4209364
Web Safe
#3333CC

🎨 Color Schemes for #403AD4

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #403AD4

🌗 Shades and Tints of #403AD4

Shades (adding black)
Tints (adding white)

🎚️ Tones of #403AD4

Tones (adding gray / desaturating)

🌈 Hue Variations of #403AD4

Hue Variations (shifting the color spectrum)

👁️ Preview of #403AD4 in Use

Text on #403AD4
This demonstrates text readability on the color background. (Click to edit)
#403AD4 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #403AD4

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.

📋 CSS Code for #403AD4

:root { --color-hex: #403AD4; --color-rgb: 64, 58, 212; --color-hsl: 242, 64%, 53%; } .bg-color { background-color: #403AD4; } .text-color { color: #403AD4; } .border-color { border-color: #403AD4; }

🛠️ Use #403AD4 in Your Project

🎨
Build a Palette with #403AD4
Generate harmonious color schemes
⚖️
Check Contrast for #403AD4
WCAG accessibility testing
🌈
Create a Gradient with #403AD4
Beautiful CSS gradients

🔗 Related Colors to #403AD4

#3A82D4
Hue -30°
#3A5CD4
Hue -15°
#663AD4
Hue +15°
#8C3AD4
Hue +30°
#2E29BC
85% L
#26229B
70% L
#1C1971
50% L
#100F43
30% L
#6460DC
62% L
#8D8AE5
72% L
#B2B0EE
81% L
#DAD9F7
91% L

About Cool Blue (#403AD4)

Cool Blue is a medium, vibrant, cool blue color with a hue angle of 242°, saturation of 64%, and lightness of 53%. Its RGB value is (64, 58, 212) and its CMYK breakdown is C:70% M:73% Y:0% K:17%.

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 #403AD4

What is the HEX code for Cool Blue? +

The HEX code for Cool Blue is #403AD4. In CSS you can use it directly as color: #403AD4; or as a background: background-color: #403AD4;. 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 #403AD4? +

The RGB value of #403AD4 is rgb(64, 58, 212). This means the color contains 64 out of 255 parts red, 58 out of 255 parts green, and 212 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(64, 58, 212);

What is the HSL value of #403AD4? +

The HSL value of #403AD4 is hsl(242, 64%, 53%). The hue is 242°, placing it in the blue family on the color wheel. The saturation is 64%, making it vibrant. The lightness is 53%, 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 #403AD4 a warm or cool color? +

#403AD4 is classified as a cool color based on its hue angle of 242°. 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 #403AD4? +

The approximate CMYK value of #403AD4 is C:70% M:73% Y:0% K:17%. 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.

Analyze #403AD4 with Other Tools

🔢
Color Converter
Get all formats for #403AD4 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #403AD4 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #403AD4.
👓
Blindness Simulator
See how #403AD4 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #403AD4.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #403AD4.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #403AD4.
🔬
Technical Formats
See #403AD4 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #403AD4 as a CSS variable, Tailwind class, design token, and more.

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