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#23398B (Dark Cool Blue) color swatch preview — Color From Pic.
#23398B — Dark Cool Blue color swatch

Dark Cool Blue

#23398B

📝 Color Information for #23398B

The hexadecimal color code #23398B represents a dark shade in the blue family. In the RGB color model, this color is composed of 35 red, 57 green, and 139 blue, which translates to approximately 14% red, 22% green, and 55% 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, #23398B has a hue of 227 degrees, a saturation level of 60%, and a lightness value of 34%. The hue angle of 227° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 227°, saturation of 75%, and brightness/value of 55%. For print applications using the CMYK color model, #23398B would be reproduced using 75% cyan, 59% magenta, 0% yellow, and 45% 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 #23398B with other colors, consider its complementary color at hue 47° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 2308491, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #23398B

Tailwind CSS
blue-900
HEX
#23398B
RGB
rgb(35, 57, 139)
RGB %
14%, 22%, 55%
HSL
hsl(227, 60%, 34%)
HSV
hsv(227, 75%, 55%)
CMYK
75%, 59%, 0%, 45%
Decimal
2308491
Web Safe
#333399

🎨 Color Schemes for #23398B

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #23398B

🌗 Shades and Tints of #23398B

Shades (adding black)
Tints (adding white)

🎚️ Tones of #23398B

Tones (adding gray / desaturating)

🌈 Hue Variations of #23398B

Hue Variations (shifting the color spectrum)

👁️ Preview of #23398B in Use

Text on #23398B
This demonstrates text readability on the color background. (Click to edit)
#23398B as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #23398B

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 #23398B

:root { --color-hex: #23398B; --color-rgb: 35, 57, 139; --color-hsl: 227, 60%, 34%; } .bg-color { background-color: #23398B; } .text-color { color: #23398B; } .border-color { border-color: #23398B; }

🛠️ Use #23398B in Your Project

🎨
Build a Palette with #23398B
Generate harmonious color schemes
⚖️
Check Contrast for #23398B
WCAG accessibility testing
🌈
Create a Gradient with #23398B
Beautiful CSS gradients

🔗 Related Colors to #23398B

#236D8B
Hue -30°
#23538B
Hue -15°
#26238B
Hue +15°
#40238B
Hue +30°
#1E3176
85% L
#182862
70% L
#111D45
50% L
#0A1129
30% L
#304FC0
47% L
#5C76D6
60% L
#95A6E4
74% L
#CAD3F2
87% L

About Dark Cool Blue (#23398B)

Dark Cool Blue is a medium, moderately saturated, cool blue color with a hue angle of 227°, saturation of 60%, and lightness of 34%. Its RGB value is (35, 57, 139) and its CMYK breakdown is C:75% M:59% Y:0% K:45%.

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 #23398B

What is the HEX code for Dark Cool Blue? +

The HEX code for Dark Cool Blue is #23398B. In CSS you can use it directly as color: #23398B; or as a background: background-color: #23398B;. 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 #23398B? +

The RGB value of #23398B is rgb(35, 57, 139). This means the color contains 35 out of 255 parts red, 57 out of 255 parts green, and 139 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(35, 57, 139);

What is the HSL value of #23398B? +

The HSL value of #23398B is hsl(227, 60%, 34%). The hue is 227°, placing it in the blue family on the color wheel. The saturation is 60%, 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 #23398B a warm or cool color? +

#23398B is classified as a cool color based on its hue angle of 227°. 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 #23398B? +

The approximate CMYK value of #23398B is C:75% M:59% Y:0% K:45%. 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 #23398B with Other Tools

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Color Converter
Get all formats for #23398B — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #23398B passes WCAG AA/AAA contrast requirements as text.
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Palette Generator
Generate complementary, triadic, and analogous palettes starting from #23398B.
👓
Blindness Simulator
See how #23398B appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #23398B.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #23398B.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #23398B.
🔬
Technical Formats
See #23398B in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
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Practical Formats
Get #23398B as a CSS variable, Tailwind class, design token, and more.

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