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#373D90 (Dark Blue) color swatch preview — Color From Pic.
#373D90 — Dark Blue color swatch

Dark Blue

#373D90

📝 Color Information for #373D90

The hexadecimal color code #373D90 represents a dark shade in the blue family. In the RGB color model, this color is composed of 55 red, 61 green, and 144 blue, which translates to approximately 22% red, 24% green, and 56% 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, #373D90 has a hue of 236 degrees, a saturation level of 45%, and a lightness value of 39%. The hue angle of 236° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 236°, saturation of 62%, and brightness/value of 56%. For print applications using the CMYK color model, #373D90 would be reproduced using 62% cyan, 58% magenta, 0% yellow, and 44% 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 #373D90 with other colors, consider its complementary color at hue 56° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3620240, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #373D90

Tailwind CSS
indigo-900
HEX
#373D90
RGB
rgb(55, 61, 144)
RGB %
22%, 24%, 56%
HSL
hsl(236, 45%, 39%)
HSV
hsv(236, 62%, 56%)
CMYK
62%, 58%, 0%, 44%
Decimal
3620240
Web Safe
#333399

🎨 Color Schemes for #373D90

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #373D90

🌗 Shades and Tints of #373D90

Shades (adding black)
Tints (adding white)

🎚️ Tones of #373D90

Tones (adding gray / desaturating)

🌈 Hue Variations of #373D90

Hue Variations (shifting the color spectrum)

👁️ Preview of #373D90 in Use

Text on #373D90
This demonstrates text readability on the color background. (Click to edit)
#373D90 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #373D90

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 #373D90

:root { --color-hex: #373D90; --color-rgb: 55, 61, 144; --color-hsl: 236, 45%, 39%; } .bg-color { background-color: #373D90; } .text-color { color: #373D90; } .border-color { border-color: #373D90; }

🛠️ Use #373D90 in Your Project

🎨
Build a Palette with #373D90
Generate harmonious color schemes
⚖️
Check Contrast for #373D90
WCAG accessibility testing
🌈
Create a Gradient with #373D90
Beautiful CSS gradients

🔗 Related Colors to #373D90

#376990
Hue -30°
#375390
Hue -15°
#473790
Hue +15°
#5D3790
Hue +30°
#2E337A
85% L
#262A64
70% L
#1C1F4A
50% L
#11132C
30% L
#4A51BA
51% L
#767CCB
63% L
#A6AADD
76% L
#D3D4EE
88% L

About Dark Blue (#373D90)

Dark Blue is a medium, moderately saturated, cool blue color with a hue angle of 236°, saturation of 45%, and lightness of 39%. Its RGB value is (55, 61, 144) and its CMYK breakdown is C:62% M:58% Y:0% K:44%.

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 #373D90

What is the HEX code for Dark Blue? +

The HEX code for Dark Blue is #373D90. In CSS you can use it directly as color: #373D90; or as a background: background-color: #373D90;. 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 #373D90? +

The RGB value of #373D90 is rgb(55, 61, 144). This means the color contains 55 out of 255 parts red, 61 out of 255 parts green, and 144 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(55, 61, 144);

What is the HSL value of #373D90? +

The HSL value of #373D90 is hsl(236, 45%, 39%). The hue is 236°, placing it in the blue family on the color wheel. The saturation is 45%, making it moderately saturated. The lightness is 39%, 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 #373D90 a warm or cool color? +

#373D90 is classified as a cool color based on its hue angle of 236°. 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 #373D90? +

The approximate CMYK value of #373D90 is C:62% M:58% Y:0% K:44%. 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 #373D90 with Other Tools

🔢
Color Converter
Get all formats for #373D90 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #373D90 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #373D90.
👓
Blindness Simulator
See how #373D90 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #373D90.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #373D90.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #373D90.
🔬
Technical Formats
See #373D90 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #373D90 as a CSS variable, Tailwind class, design token, and more.

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