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#3B3D91 (Dark Blue) color swatch preview — Color From Pic.
#3B3D91 — Dark Blue color swatch

Dark Blue

#3B3D91

📝 Color Information for #3B3D91

The hexadecimal color code #3B3D91 represents a dark shade in the blue family. In the RGB color model, this color is composed of 59 red, 61 green, and 145 blue, which translates to approximately 23% red, 24% green, and 57% blue. This makes it a slightly desaturated color with cool undertones that can evoke different emotional responses depending on its application. When analyzed in the HSL (Hue, Saturation, Lightness) color space, #3B3D91 has a hue of 239 degrees, a saturation level of 42%, and a lightness value of 40%. The hue angle of 239° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 239°, saturation of 59%, and brightness/value of 57%. For print applications using the CMYK color model, #3B3D91 would be reproduced using 59% cyan, 58% magenta, 0% yellow, and 43% black. The closest web-safe color is #333399, 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 moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #3B3D91 with other colors, consider its complementary color at hue 59° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3882385, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #3B3D91

Tailwind CSS
indigo-800
HEX
#3B3D91
RGB
rgb(59, 61, 145)
RGB %
23%, 24%, 57%
HSL
hsl(239, 42%, 40%)
HSV
hsv(239, 59%, 57%)
CMYK
59%, 58%, 0%, 43%
Decimal
3882385
Web Safe
#333399

🎨 Color Schemes for #3B3D91

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #3B3D91

🌗 Shades and Tints of #3B3D91

Shades (adding black)
Tints (adding white)

🎚️ Tones of #3B3D91

Tones (adding gray / desaturating)

🌈 Hue Variations of #3B3D91

Hue Variations (shifting the color spectrum)

👁️ Preview of #3B3D91 in Use

Text on #3B3D91
This demonstrates text readability on the color background. (Click to edit)
#3B3D91 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #3B3D91

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 #3B3D91

:root { --color-hex: #3B3D91; --color-rgb: 59, 61, 145; --color-hsl: 239, 42%, 40%; } .bg-color { background-color: #3B3D91; } .text-color { color: #3B3D91; } .border-color { border-color: #3B3D91; }

🛠️ Use #3B3D91 in Your Project

🎨
Build a Palette with #3B3D91
Generate harmonious color schemes
⚖️
Check Contrast for #3B3D91
WCAG accessibility testing
🌈
Create a Gradient with #3B3D91
Beautiful CSS gradients

🔗 Related Colors to #3B3D91

#3B6791
Hue -30°
#3B5291
Hue -15°
#4F3B91
Hue +15°
#653B91
Hue +30°
#32337B
85% L
#292A65
70% L
#1E1E48
50% L
#12122B
30% L
#5153B8
52% L
#7D7ECA
64% L
#A8A9DC
76% L
#D4D4ED
88% L

About Dark Blue (#3B3D91)

Dark Blue is a medium, moderately saturated, cool blue color with a hue angle of 239°, saturation of 42%, and lightness of 40%. Its RGB value is (59, 61, 145) and its CMYK breakdown is C:59% M:58% Y:0% K:43%.

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 #3B3D91

What is the HEX code for Dark Blue? +

The HEX code for Dark Blue is #3B3D91. In CSS you can use it directly as color: #3B3D91; or as a background: background-color: #3B3D91;. 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 #3B3D91? +

The RGB value of #3B3D91 is rgb(59, 61, 145). This means the color contains 59 out of 255 parts red, 61 out of 255 parts green, and 145 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(59, 61, 145);

What is the HSL value of #3B3D91? +

The HSL value of #3B3D91 is hsl(239, 42%, 40%). The hue is 239°, placing it in the blue family on the color wheel. The saturation is 42%, making it moderately saturated. The lightness is 40%, 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 #3B3D91 a warm or cool color? +

#3B3D91 is classified as a cool color based on its hue angle of 239°. 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 #3B3D91? +

The approximate CMYK value of #3B3D91 is C:59% M:58% Y:0% K:43%. 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 #3B3D91 with Other Tools

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Color Converter
Get all formats for #3B3D91 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #3B3D91 passes WCAG AA/AAA contrast requirements as text.
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Palette Generator
Generate complementary, triadic, and analogous palettes starting from #3B3D91.
👓
Blindness Simulator
See how #3B3D91 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #3B3D91.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #3B3D91.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #3B3D91.
🔬
Technical Formats
See #3B3D91 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #3B3D91 as a CSS variable, Tailwind class, design token, and more.

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