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#304F97 (Dark Cool Blue) color swatch preview — Color From Pic.
#304F97 — Dark Cool Blue color swatch

Dark Cool Blue

#304F97

📝 Color Information for #304F97

The hexadecimal color code #304F97 represents a dark shade in the blue family. In the RGB color model, this color is composed of 48 red, 79 green, and 151 blue, which translates to approximately 19% red, 31% green, and 59% 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, #304F97 has a hue of 222 degrees, a saturation level of 52%, and a lightness value of 39%. The hue angle of 222° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 222°, saturation of 68%, and brightness/value of 59%. For print applications using the CMYK color model, #304F97 would be reproduced using 68% cyan, 48% magenta, 0% yellow, and 41% black. The closest web-safe color is #336699, 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 #304F97 with other colors, consider its complementary color at hue 42° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3166103, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #304F97

Tailwind CSS
blue-900
HEX
#304F97
RGB
rgb(48, 79, 151)
RGB %
19%, 31%, 59%
HSL
hsl(222, 52%, 39%)
HSV
hsv(222, 68%, 59%)
CMYK
68%, 48%, 0%, 41%
Decimal
3166103
Web Safe
#336699

🎨 Color Schemes for #304F97

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #304F97

🌗 Shades and Tints of #304F97

Shades (adding black)
Tints (adding white)

🎚️ Tones of #304F97

Tones (adding gray / desaturating)

🌈 Hue Variations of #304F97

Hue Variations (shifting the color spectrum)

👁️ Preview of #304F97 in Use

Text on #304F97
This demonstrates text readability on the color background. (Click to edit)
#304F97 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #304F97

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 #304F97

:root { --color-hex: #304F97; --color-rgb: 48, 79, 151; --color-hsl: 222, 52%, 39%; } .bg-color { background-color: #304F97; } .text-color { color: #304F97; } .border-color { border-color: #304F97; }

🛠️ Use #304F97 in Your Project

🎨
Build a Palette with #304F97
Generate harmonious color schemes
⚖️
Check Contrast for #304F97
WCAG accessibility testing
🌈
Create a Gradient with #304F97
Beautiful CSS gradients

🔗 Related Colors to #304F97

#308297
Hue -30°
#306997
Hue -15°
#303597
Hue +15°
#443097
Hue +30°
#284380
85% L
#213769
70% L
#18284E
50% L
#0F182F
30% L
#4168C3
51% L
#708DD2
63% L
#A2B5E2
76% L
#D0DAF0
88% L

About Dark Cool Blue (#304F97)

Dark Cool Blue is a medium, moderately saturated, cool blue color with a hue angle of 222°, saturation of 52%, and lightness of 39%. Its RGB value is (48, 79, 151) and its CMYK breakdown is C:68% M:48% Y:0% K:41%.

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 #304F97

What is the HEX code for Dark Cool Blue? +

The HEX code for Dark Cool Blue is #304F97. In CSS you can use it directly as color: #304F97; or as a background: background-color: #304F97;. 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 #304F97? +

The RGB value of #304F97 is rgb(48, 79, 151). This means the color contains 48 out of 255 parts red, 79 out of 255 parts green, and 151 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(48, 79, 151);

What is the HSL value of #304F97? +

The HSL value of #304F97 is hsl(222, 52%, 39%). The hue is 222°, placing it in the blue family on the color wheel. The saturation is 52%, 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 #304F97 a warm or cool color? +

#304F97 is classified as a cool color based on its hue angle of 222°. 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 #304F97? +

The approximate CMYK value of #304F97 is C:68% M:48% Y:0% K:41%. 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 #304F97 with Other Tools

🔢
Color Converter
Get all formats for #304F97 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #304F97 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #304F97.
👓
Blindness Simulator
See how #304F97 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #304F97.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #304F97.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #304F97.
🔬
Technical Formats
See #304F97 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #304F97 as a CSS variable, Tailwind class, design token, and more.

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