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#355DD4 (Cool Blue) color swatch preview — Color From Pic.
#355DD4 — Cool Blue color swatch

Cool Blue

#355DD4

📝 Color Information for #355DD4

The hexadecimal color code #355DD4 represents a medium shade in the blue family. In the RGB color model, this color is composed of 53 red, 93 green, and 212 blue, which translates to approximately 21% red, 36% 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, #355DD4 has a hue of 225 degrees, a saturation level of 65%, and a lightness value of 52%. 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 75%, and brightness/value of 83%. For print applications using the CMYK color model, #355DD4 would be reproduced using 75% cyan, 56% magenta, 0% yellow, and 17% black. The closest web-safe color is #3366CC, 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 #355DD4 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 3497428, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #355DD4

Tailwind CSS
blue-700
HEX
#355DD4
RGB
rgb(53, 93, 212)
RGB %
21%, 36%, 83%
HSL
hsl(225, 65%, 52%)
HSV
hsv(225, 75%, 83%)
CMYK
75%, 56%, 0%, 17%
Decimal
3497428
Web Safe
#3366CC

🎨 Color Schemes for #355DD4

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #355DD4

🌗 Shades and Tints of #355DD4

Shades (adding black)
Tints (adding white)

🎚️ Tones of #355DD4

Tones (adding gray / desaturating)

🌈 Hue Variations of #355DD4

Hue Variations (shifting the color spectrum)

👁️ Preview of #355DD4 in Use

Text on #355DD4
This demonstrates text readability on the color background. (Click to edit)
#355DD4 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #355DD4

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 #355DD4

:root { --color-hex: #355DD4; --color-rgb: 53, 93, 212; --color-hsl: 225, 65%, 52%; } .bg-color { background-color: #355DD4; } .text-color { color: #355DD4; } .border-color { border-color: #355DD4; }

🛠️ Use #355DD4 in Your Project

🎨
Build a Palette with #355DD4
Generate harmonious color schemes
⚖️
Check Contrast for #355DD4
WCAG accessibility testing
🌈
Create a Gradient with #355DD4
Beautiful CSS gradients

🔗 Related Colors to #355DD4

#35ACD4
Hue -30°
#3585D4
Hue -15°
#3535D4
Hue +15°
#5D35D4
Hue +30°
#274CB9
85% L
#203E97
70% L
#172D6D
50% L
#0E1C43
30% L
#5F7FDD
62% L
#859DE5
71% L
#AFBFEE
81% L
#D5DDF6
90% L

About Cool Blue (#355DD4)

Cool Blue is a medium, vibrant, cool blue color with a hue angle of 225°, saturation of 65%, and lightness of 52%. Its RGB value is (53, 93, 212) and its CMYK breakdown is C:75% M:56% 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 #355DD4

What is the HEX code for Cool Blue? +

The HEX code for Cool Blue is #355DD4. In CSS you can use it directly as color: #355DD4; or as a background: background-color: #355DD4;. 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 #355DD4? +

The RGB value of #355DD4 is rgb(53, 93, 212). This means the color contains 53 out of 255 parts red, 93 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(53, 93, 212);

What is the HSL value of #355DD4? +

The HSL value of #355DD4 is hsl(225, 65%, 52%). The hue is 225°, placing it in the blue family on the color wheel. The saturation is 65%, making it vibrant. The lightness is 52%, 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 #355DD4 a warm or cool color? +

#355DD4 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 #355DD4? +

The approximate CMYK value of #355DD4 is C:75% M:56% 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 #355DD4 with Other Tools

🔢
Color Converter
Get all formats for #355DD4 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #355DD4 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #355DD4.
👓
Blindness Simulator
See how #355DD4 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #355DD4.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #355DD4.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #355DD4.
🔬
Technical Formats
See #355DD4 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #355DD4 as a CSS variable, Tailwind class, design token, and more.

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