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#253A79 (Dark Cool Blue) color swatch preview — Color From Pic.
#253A79 — Dark Cool Blue color swatch

Dark Cool Blue

#253A79

📝 Color Information for #253A79

The hexadecimal color code #253A79 represents a dark shade in the blue family. In the RGB color model, this color is composed of 37 red, 58 green, and 121 blue, which translates to approximately 15% red, 23% green, and 47% 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, #253A79 has a hue of 225 degrees, a saturation level of 53%, and a lightness value of 31%. The hue angle of 225° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 225°, saturation of 69%, and brightness/value of 47%. For print applications using the CMYK color model, #253A79 would be reproduced using 69% cyan, 52% 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 #253A79 with other colors, consider its complementary color at hue 45° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 2439801, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #253A79

Tailwind CSS
blue-900
HEX
#253A79
RGB
rgb(37, 58, 121)
RGB %
15%, 23%, 47%
HSL
hsl(225, 53%, 31%)
HSV
hsv(225, 69%, 47%)
CMYK
69%, 52%, 0%, 53%
Decimal
2439801
Web Safe
#333366

🎨 Color Schemes for #253A79

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #253A79

🌗 Shades and Tints of #253A79

Shades (adding black)
Tints (adding white)

🎚️ Tones of #253A79

Tones (adding gray / desaturating)

🌈 Hue Variations of #253A79

Hue Variations (shifting the color spectrum)

👁️ Preview of #253A79 in Use

Text on #253A79
This demonstrates text readability on the color background. (Click to edit)
#253A79 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #253A79

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 #253A79

:root { --color-hex: #253A79; --color-rgb: 37, 58, 121; --color-hsl: 225, 53%, 31%; } .bg-color { background-color: #253A79; } .text-color { color: #253A79; } .border-color { border-color: #253A79; }

🛠️ Use #253A79 in Your Project

🎨
Build a Palette with #253A79
Generate harmonious color schemes
⚖️
Check Contrast for #253A79
WCAG accessibility testing
🌈
Create a Gradient with #253A79
Beautiful CSS gradients

🔗 Related Colors to #253A79

#256479
Hue -30°
#254F79
Hue -15°
#252579
Hue +15°
#3A2579
Hue +30°
#1F3165
85% L
#1A2956
70% L
#131E3E
50% L
#0B1123
30% L
#3654B0
45% L
#5F7BCE
59% L
#92A5DD
72% L
#C8D2EE
86% L

About Dark Cool Blue (#253A79)

Dark Cool Blue is a medium, moderately saturated, cool blue color with a hue angle of 225°, saturation of 53%, and lightness of 31%. Its RGB value is (37, 58, 121) and its CMYK breakdown is C:69% M:52% 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 #253A79

What is the HEX code for Dark Cool Blue? +

The HEX code for Dark Cool Blue is #253A79. In CSS you can use it directly as color: #253A79; or as a background: background-color: #253A79;. 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 #253A79? +

The RGB value of #253A79 is rgb(37, 58, 121). This means the color contains 37 out of 255 parts red, 58 out of 255 parts green, and 121 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(37, 58, 121);

What is the HSL value of #253A79? +

The HSL value of #253A79 is hsl(225, 53%, 31%). The hue is 225°, placing it in the blue family on the color wheel. The saturation is 53%, making it moderately saturated. The lightness is 31%, 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 #253A79 a warm or cool color? +

#253A79 is classified as a cool color based on its hue angle of 225°. 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 #253A79? +

The approximate CMYK value of #253A79 is C:69% M:52% 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 #253A79 with Other Tools

🔢
Color Converter
Get all formats for #253A79 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #253A79 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #253A79.
👓
Blindness Simulator
See how #253A79 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #253A79.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #253A79.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #253A79.
🔬
Technical Formats
See #253A79 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #253A79 as a CSS variable, Tailwind class, design token, and more.

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