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#403C77 (Dark Blue) color swatch preview — Color From Pic.
#403C77 — Dark Blue color swatch

Dark Blue

#403C77

📝 Color Information for #403C77

The hexadecimal color code #403C77 represents a dark shade in the blue family. In the RGB color model, this color is composed of 64 red, 60 green, and 119 blue, which translates to approximately 25% red, 24% green, and 47% 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, #403C77 has a hue of 244 degrees, a saturation level of 33%, and a lightness value of 35%. The hue angle of 244° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 244°, saturation of 50%, and brightness/value of 47%. For print applications using the CMYK color model, #403C77 would be reproduced using 46% cyan, 50% magenta, 0% yellow, and 53% black. The closest web-safe color is #333366, 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 #403C77 with other colors, consider its complementary color at hue 64° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 4209783, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #403C77

Tailwind CSS
indigo-900
HEX
#403C77
RGB
rgb(64, 60, 119)
RGB %
25%, 24%, 47%
HSL
hsl(244, 33%, 35%)
HSV
hsv(244, 50%, 47%)
CMYK
46%, 50%, 0%, 53%
Decimal
4209783
Web Safe
#333366

🎨 Color Schemes for #403C77

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #403C77

🌗 Shades and Tints of #403C77

Shades (adding black)
Tints (adding white)

🎚️ Tones of #403C77

Tones (adding gray / desaturating)

🌈 Hue Variations of #403C77

Hue Variations (shifting the color spectrum)

👁️ Preview of #403C77 in Use

Text on #403C77
This demonstrates text readability on the color background. (Click to edit)
#403C77 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #403C77

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 #403C77

:root { --color-hex: #403C77; --color-rgb: 64, 60, 119; --color-hsl: 244, 33%, 35%; } .bg-color { background-color: #403C77; } .text-color { color: #403C77; } .border-color { border-color: #403C77; }

🛠️ Use #403C77 in Your Project

🎨
Build a Palette with #403C77
Generate harmonious color schemes
⚖️
Check Contrast for #403C77
WCAG accessibility testing
🌈
Create a Gradient with #403C77
Beautiful CSS gradients

🔗 Related Colors to #403C77

#3C5577
Hue -30°
#3C4777
Hue -15°
#4E3C77
Hue +15°
#5D3C77
Hue +30°
#373366
85% L
#2E2B55
70% L
#211F3D
50% L
#141325
30% L
#5752A3
48% L
#7F7BBC
61% L
#AAA7D3
74% L
#D4D3E9
87% L

About Dark Blue (#403C77)

Dark Blue is a medium, moderately saturated, cool blue color with a hue angle of 244°, saturation of 33%, and lightness of 35%. Its RGB value is (64, 60, 119) and its CMYK breakdown is C:46% M:50% Y:0% K:53%.

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 #403C77

What is the HEX code for Dark Blue? +

The HEX code for Dark Blue is #403C77. In CSS you can use it directly as color: #403C77; or as a background: background-color: #403C77;. 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 #403C77? +

The RGB value of #403C77 is rgb(64, 60, 119). This means the color contains 64 out of 255 parts red, 60 out of 255 parts green, and 119 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, 60, 119);

What is the HSL value of #403C77? +

The HSL value of #403C77 is hsl(244, 33%, 35%). The hue is 244°, placing it in the blue family on the color wheel. The saturation is 33%, making it moderately saturated. The lightness is 35%, 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 #403C77 a warm or cool color? +

#403C77 is classified as a cool color based on its hue angle of 244°. 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 #403C77? +

The approximate CMYK value of #403C77 is C:46% M:50% Y:0% K:53%. 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 #403C77 with Other Tools

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Color Converter
Get all formats for #403C77 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #403C77 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #403C77.
👓
Blindness Simulator
See how #403C77 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #403C77.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #403C77.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #403C77.
🔬
Technical Formats
See #403C77 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #403C77 as a CSS variable, Tailwind class, design token, and more.

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