Indigo Blue
Indigo Blue (#00184B) is a color defined by its profound darkness and rich saturation. Sitting on the edge of black, its striking quality lies in its subtle but definite blue character, offering a solid base with more nuance than a simple void.
What color is Indigo Blue?
Indigo Blue is a profound, dark blue with a cool temperature, sitting just a shade away from true black.
It carries subtle violet undertones, giving it a rich, almost nocturnal quality without losing its distinct blue identity.
What is the meaning behind the color Indigo Blue (#00184B)?
Indigo Blue is often linked to intuition, perception, and higher consciousness. It's a color that suggests deep concentration and integrity, projecting a sense of seriousness and authority.
Historically prized as a rare and valuable dye, its past lends it an air of luxury and importance, evoking feelings of mystery and profound depth.
How can I effectively use Indigo Blue in my UI design?
In UI design, Indigo Blue works exceptionally well as a primary or background color due to its depth, creating a stable and focused user experience. For high-contrast and accessible interfaces, pair it with light neutrals like off-white or soft gray. To make key elements pop, consider accent colors such as a vibrant coral or a sharp yellow for buttons and interactive components, applying a classic 60-30-10 color rule for balance.
While not as widespread as other blues, shades similar to Indigo Blue are used by notable brands like Booking.com, Calm, and Vrbo. Its selective use suggests a choice for brands aiming to project sophistication and trustworthiness, setting them apart from competitors who favor more conventional primary colors.
You can use the tools below to explore curated palettes, test color contrast for accessibility, and preview how Indigo Blue (#00184B) looks in real UI components from top brands.
How do I use the Indigo Blue color codes?
To use Indigo Blue in your projects, start with its hex code, #00184B. This six-digit code is the universal standard for specifying colors in web design and most digital applications.
Different design mediums require different color models. You can convert #00184B into other formats like RGB (for digital screens), CMYK (for print), or HSL (for intuitive color adjustments). Each system defines the color using a unique set of values tailored to its specific application.
To make things easier, we've converted Indigo Blue's #00184B hex code into a range of popular formats below. Simply find the code you need and copy it directly into your design tool.
Analogous
Analogous colors are neighbors on the color wheel. For Indigo Blue, these adjacent hues create a harmonious and visually soothing palette.
Complementary
Complementary colors are found on opposite sides of the color wheel. When paired with Indigo Blue, they create a vibrant, high-contrast combination.
Split Complementary
Split complementary colors for Indigo Blue offer a vibrant yet balanced palette by pairing it with the two colors adjacent to its direct opposite.
Triadic
A triadic scheme pairs Indigo Blue with two other colors equally spaced on the color wheel, creating a vibrant and balanced high-contrast palette.
Tetradic
A tetradic scheme for Indigo Blue uses two pairs of complementary colors, forming a rectangle on the color wheel for a vibrant four-color palette.
Square
A square color scheme uses four colors equidistant on the color wheel. With Indigo Blue as a base, this creates a vibrant, high-contrast palette.
Text Color
Background Color
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Shades
Shades are darker values of Indigo Blue, created by adding black for more weight.
Tints
Tints of Indigo Blue are made by mixing in white, resulting in softer, airier hues.
Tones
Tones are versions of Indigo Blue mixed with gray, creating a more subtle, desaturated look.
Hues
Hues are variations of Indigo Blue, differing in intensity or temperature to create specific moods.
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