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#3F456E (Dark Blue) color swatch preview — Color From Pic.
#3F456E — Dark Blue color swatch

Dark Blue

#3F456E

📝 Color Information for #3F456E

The hexadecimal color code #3F456E represents a dark shade in the blue family. In the RGB color model, this color is composed of 63 red, 69 green, and 110 blue, which translates to approximately 25% red, 27% green, and 43% 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, #3F456E has a hue of 232 degrees, a saturation level of 27%, and a lightness value of 34%. The hue angle of 232° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 232°, saturation of 43%, and brightness/value of 43%. For print applications using the CMYK color model, #3F456E would be reproduced using 43% cyan, 37% magenta, 0% yellow, and 57% 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 #3F456E with other colors, consider its complementary color at hue 52° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 4146542, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #3F456E

Tailwind CSS
slate-600
HEX
#3F456E
RGB
rgb(63, 69, 110)
RGB %
25%, 27%, 43%
HSL
hsl(232, 27%, 34%)
HSV
hsv(232, 43%, 43%)
CMYK
43%, 37%, 0%, 57%
Decimal
4146542
Web Safe
#333366

🎨 Color Schemes for #3F456E

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #3F456E

🌗 Shades and Tints of #3F456E

Shades (adding black)
Tints (adding white)

🎚️ Tones of #3F456E

Tones (adding gray / desaturating)

🌈 Hue Variations of #3F456E

Hue Variations (shifting the color spectrum)

👁️ Preview of #3F456E in Use

Text on #3F456E
This demonstrates text readability on the color background. (Click to edit)
#3F456E as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #3F456E

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 #3F456E

:root { --color-hex: #3F456E; --color-rgb: 63, 69, 110; --color-hsl: 232, 27%, 34%; } .bg-color { background-color: #3F456E; } .text-color { color: #3F456E; } .border-color { border-color: #3F456E; }

🛠️ Use #3F456E in Your Project

🎨
Build a Palette with #3F456E
Generate harmonious color schemes
⚖️
Check Contrast for #3F456E
WCAG accessibility testing
🌈
Create a Gradient with #3F456E
Beautiful CSS gradients

🔗 Related Colors to #3F456E

#3F5D6E
Hue -30°
#3F516E
Hue -15°
#453F6E
Hue +15°
#503F6E
Hue +30°
#363B5E
85% L
#2D314E
70% L
#202337
50% L
#131420
30% L
#576098
47% L
#7D85B5
60% L
#ABB0CF
74% L
#D5D7E7
87% L

About Dark Blue (#3F456E)

Dark Blue is a medium, moderately saturated, cool blue color with a hue angle of 232°, saturation of 27%, and lightness of 34%. Its RGB value is (63, 69, 110) and its CMYK breakdown is C:43% M:37% Y:0% K:57%.

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 #3F456E

What is the HEX code for Dark Blue? +

The HEX code for Dark Blue is #3F456E. In CSS you can use it directly as color: #3F456E; or as a background: background-color: #3F456E;. 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 #3F456E? +

The RGB value of #3F456E is rgb(63, 69, 110). This means the color contains 63 out of 255 parts red, 69 out of 255 parts green, and 110 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(63, 69, 110);

What is the HSL value of #3F456E? +

The HSL value of #3F456E is hsl(232, 27%, 34%). The hue is 232°, placing it in the blue family on the color wheel. The saturation is 27%, making it moderately saturated. The lightness is 34%, 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 #3F456E a warm or cool color? +

#3F456E is classified as a cool color based on its hue angle of 232°. 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 #3F456E? +

The approximate CMYK value of #3F456E is C:43% M:37% Y:0% K:57%. 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 #3F456E with Other Tools

🔢
Color Converter
Get all formats for #3F456E — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #3F456E passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #3F456E.
👓
Blindness Simulator
See how #3F456E appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #3F456E.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #3F456E.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #3F456E.
🔬
Technical Formats
See #3F456E in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #3F456E as a CSS variable, Tailwind class, design token, and more.

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