Color Details and Palettes for #3F04B3

Details about the color Galactic Highway

Closest web-safe match: #3300CC

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 #3F04B3
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About Color Hex #3f04b3

The color Galactic Highway, with hexadecimal code #3f04b3, belongs to the blue color family, the world's most universally preferred hue. Blue projects trust, stability, and intellectual calm, which is why it dominates corporate, financial, and technology branding worldwide. Additionally, it evokes emotions such as Luxury, Royalty, Spirituality, Imagination and Wisdom. Blue signifies tranquility and stability. In Middle Eastern cultures, it can also represent protection against the evil eye, while in Western cultures, it symbolizes calmness and reliability. With a high saturation of 96%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. Its low lightness of 36% produces a deep, rich appearance—conveying gravity and luxury, particularly effective in dark-mode designs and premium packaging. This color is ideal for designs that aim to express Luxury, Royalty, Spirituality, Imagination, or Wisdom. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Galactic Highway are (63, 4, 179), providing a combination of red: 63, green: 4, and blue: 179. In HSL format, it has a hue of 260.00°, saturation of 96.00%, and lightness of 36.00%.

The HSV representation includes a hue of 260.00°, saturation of 98.00%, and value of 70.00%. Its CMYK composition is cyan: 65.00%, magenta: 98.00%, yellow: 0.00%, and black: 30.00%.

The calculated luminance of #3f04b3 is 0.044, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #3300CC. Its contrast ratio is 1.88:1 against black and 11.17:1 against white. It works well on light backgrounds but may be challenging on darker ones.

In terms of color temperature, #3f04b3 reads as cool. When it comes to accessibility, testing against standard guidelines suggests that using white text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #3f04b3 is white.

Considering its saturation and lightness, #3f04b3 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #3F04B3

Galactic Highway (#3F04B3) belongs to the Indigo color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

Historical Background

Indigo dye—extracted from Indigofera plants—has been used for over 6,000 years, with the oldest known samples found in Peru. It was the foundation of the blue-dye trade across India, West Africa, and the Americas, and its economic importance rivaled that of spices. Levi Strauss chose indigo-dyed denim for the first blue jeans in 1873, cementing indigo's place in everyday fashion worldwide.

Design & Usage Tips

Indigo occupies the territory between blue and purple, lending depth without purple's flamboyance. It is excellent for evening-event branding, high-end fashion, and editorial design. Pair indigo with soft gold or warm white for a sophisticated contrast, or with coral for a contemporary editorial palette.

Sitting on the cool side of the spectrum (hue 260°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 96% saturation, this is a highly vivid color that demands attention. Use it where maximum visual impact is needed—feature banners, accent buttons, and data-visualization highlights.

Psychological Impact

Indigo conveys depth, wisdom, and introspection. It carries the trustworthiness of blue with a hint of purple's creativity, appealing to brands that want to appear both reliable and imaginative—think higher education, think-tanks, and creative consultancies.

With a mid-range lightness of 36%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Use indigo as a full-page background with centered white text for impactful statement pages. Combine indigo with copper accents for a rich, modern luxury feel in packaging. In web design, indigo sidebar navigation with white icons creates a polished, app-like interface.

#3F04B3 Color Conversions

Every way to write Galactic Highway — copy Galactic Highway as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#3F04B3

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(63, 4, 179)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(260, 96%, 36%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(260, 98%, 70%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(260 2% 30%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(65%, 98%, 0%, 30%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(38.21% 0.225 282.43)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(38.21% 0.048 -0.219)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 24.95, a: 61.34, b: -76.09

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 24.95, C: 97.74, H: 308.88

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 10.23, Y: 4.40, Z: 42.96

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
4129971

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #3f04b3

RGB Color Percentages for Galactic Highway (HEX Code: #3f04b3) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Blue, making up 72.76% of the total composition. The complete breakdown of RGB contributions is:

Red:
25.61%
Green:
1.63%
Blue:
72.76%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Galactic Highway.

CMYK Ink Levels & Print Guide for #3f04b3

CMYK Ink Levels for Galactic Highway (HEX Code: #3f04b3) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Galactic Highway prominently features Magenta, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 64.8%, Magenta: 97.77%, Yellow: 0%, and Black: 29.8%.

Luminance & Contrast for #3F04B3

Relative luminance gauges how bright Galactic Highway is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.044
0 · dark1 · light
Aa
Black text 1.88:1
AA AAA Large
Aa
White text 11.17:1
AA AAA Large

Quick CSS Snippets for #3F04B3

Copy-and-paste CSS for Galactic Highway — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #3F04B3;
Text color: #3F04B3;
Border border: 2px solid #3F04B3;
RGB background-color: rgb(63, 4, 179);
HSL background-color: hsl(260, 96%, 36%);
Variable --color: #3F04B3;

#3f04b3 Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#ece6f7
#cfc0ec
#b29be1
#9575d5
#794fca
#5c2abe
#3f04b3 Original
#360398
#2c037d
#230262
#190248
#10012d
#060012

#3f04b3 Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#3f04b3 Original
#79b404

#3f04b3 Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#3f04b3 Original
#9704b4
#0421b4
#b40479
#0479b4
#b40421
#04b497

#3f04b3 Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#3f04b3 Original
#b43e04
#04b43e

#3f04b3 Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#3f04b3 Original
#b40421
#79b404
#04b497

Color Blindness Simulation for #3f04b3

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Galactic Highway (#3f04b3) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Not Friendly

Protanopia (Red Weakness)

Not Friendly

Tritanopia (Blue-Yellow Weakness)

Not Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #3f04b3

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#3F04B3 Nearby Colors

A handful of colors just a step away from #3F04B3 — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#5522cc Sea Serpent’s Tears
#2200aa Bohemian Blue
#6633dd Hokkaido Lavender
#000099 Dark Blue
#3300bb Galactic Highway
#4411aa Galactic Highway
#660099 Extraviolet
#0022bb Sapphire Splendour

Colors Similar to #3f04b3

These colors are close neighbours of #3F04B3 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Blue tone.

#4004b3 Galactic Highway
#3f05b3 Galactic Highway
#3f04b4 Galactic Highway
#3e04b3 Galactic Highway
#3f03b3 Galactic Highway
#3f04b2 Galactic Highway
#5004b3 Galactic Highway
#3f15b3 Galactic Highway
#3f04c4 Busty Blue
#2e04b3 Galactic Highway
#3f00b3 Galactic Highway
#3f04a2 Space Battle Blue

Looking for more Blue shades? Browse Blue colors →

Explore Vibrant Images Featuring Galactic Highway (#3f04b3)

Discover a vibrant gallery of images that not only showcase the captivating hue of Galactic Highway, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.