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#311FBD (Cool Blue) color swatch preview — Color From Pic.
#311FBD — Cool Blue color swatch

Cool Blue

#311FBD

📝 Color Information for #311FBD

The hexadecimal color code #311FBD represents a medium shade in the blue family. In the RGB color model, this color is composed of 49 red, 31 green, and 189 blue, which translates to approximately 19% red, 12% green, and 74% 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, #311FBD has a hue of 247 degrees, a saturation level of 72%, and a lightness value of 43%. The hue angle of 247° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 247°, saturation of 84%, and brightness/value of 74%. For print applications using the CMYK color model, #311FBD would be reproduced using 74% cyan, 84% magenta, 0% yellow, and 26% 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 #311FBD with other colors, consider its complementary color at hue 67° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3219389, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #311FBD

Tailwind CSS
indigo-800
HEX
#311FBD
RGB
rgb(49, 31, 189)
RGB %
19%, 12%, 74%
HSL
hsl(247, 72%, 43%)
HSV
hsv(247, 84%, 74%)
CMYK
74%, 84%, 0%, 26%
Decimal
3219389
Web Safe
#3333CC

🎨 Color Schemes for #311FBD

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #311FBD

🌗 Shades and Tints of #311FBD

Shades (adding black)
Tints (adding white)

🎚️ Tones of #311FBD

Tones (adding gray / desaturating)

🌈 Hue Variations of #311FBD

Hue Variations (shifting the color spectrum)

👁️ Preview of #311FBD in Use

Text on #311FBD
This demonstrates text readability on the color background. (Click to edit)
#311FBD as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #311FBD

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 #311FBD

:root { --color-hex: #311FBD; --color-rgb: 49, 31, 189; --color-hsl: 247, 72%, 43%; } .bg-color { background-color: #311FBD; } .text-color { color: #311FBD; } .border-color { border-color: #311FBD; }

🛠️ Use #311FBD in Your Project

🎨
Build a Palette with #311FBD
Generate harmonious color schemes
⚖️
Check Contrast for #311FBD
WCAG accessibility testing
🌈
Create a Gradient with #311FBD
Beautiful CSS gradients

🔗 Related Colors to #311FBD

#1F5BBD
Hue -30°
#1F34BD
Hue -15°
#591FBD
Hue +15°
#801FBD
Hue +30°
#2A1AA2
85% L
#221584
70% L
#191060
50% L
#0F0939
30% L
#4935DE
54% L
#786AE7
66% L
#A49AEF
77% L
#D3CFF7
89% L

About Cool Blue (#311FBD)

Cool Blue is a medium, vibrant, cool blue color with a hue angle of 247°, saturation of 72%, and lightness of 43%. Its RGB value is (49, 31, 189) and its CMYK breakdown is C:74% M:84% Y:0% K:26%.

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 #311FBD

What is the HEX code for Cool Blue? +

The HEX code for Cool Blue is #311FBD. In CSS you can use it directly as color: #311FBD; or as a background: background-color: #311FBD;. 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 #311FBD? +

The RGB value of #311FBD is rgb(49, 31, 189). This means the color contains 49 out of 255 parts red, 31 out of 255 parts green, and 189 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(49, 31, 189);

What is the HSL value of #311FBD? +

The HSL value of #311FBD is hsl(247, 72%, 43%). The hue is 247°, placing it in the blue family on the color wheel. The saturation is 72%, making it vibrant. The lightness is 43%, 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 #311FBD a warm or cool color? +

#311FBD is classified as a cool color based on its hue angle of 247°. 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 #311FBD? +

The approximate CMYK value of #311FBD is C:74% M:84% Y:0% K:26%. 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 #311FBD with Other Tools

🔢
Color Converter
Get all formats for #311FBD — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #311FBD passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #311FBD.
👓
Blindness Simulator
See how #311FBD appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #311FBD.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #311FBD.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #311FBD.
🔬
Technical Formats
See #311FBD in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #311FBD as a CSS variable, Tailwind class, design token, and more.

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