Prussian Blue
About Prussian Blue
Prussian Blue, chemically known as ferric ferrocyanide, is a deep blue pigment with the chemical formula Fe7(CN)18. It was accidentally discovered in Berlin around 1706 by Diesbach, an artist's color maker. Prussian Blue is notable for its intense color and non-toxicity. It is used in paints, inks, and dyes. The color is also used medicinally as an antidote for certain types of heavy metal poisoning, particularly thallium and cesium. In art, Prussian Blue has been favored by many painters for its rich, transparent qualities. The color name itself is derived from Prussia, a historical kingdom that included much of present-day Germany and Poland, where the pigment was initially produced.
The color #043358, a deep Prussian Blue, presents significant accessibility challenges in web design. Due to its low luminance, text rendered in this color may be difficult to read for users with visual impairments or those browsing on screens with poor contrast. To ensure inclusivity, it's crucial to pair this color with a light background. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text, as per WCAG guidelines. Tools are available to check contrast ratios. Consider using this color sparingly, perhaps for decorative elements, rather than for essential text or interactive components. Providing alternative high-contrast themes can also greatly improve accessibility for all users. When using this color for links, additional cues like underlines or icons should be present to help users identify them.
Shades
Digital Color Formats
Alternative colors
Applications
Website Background
Prussian Blue is perfect as a background for websites needing to convey trust, stability, and professionalism, like finance or law firms. Its depth adds sophistication, particularly when paired with clean, minimalist typography in white or gold. Furthermore, it can be used as a contrasting accent color to highlight key calls to action, ensuring they stand out against a lighter background.
Interior Design
In interior design, Prussian Blue walls can create a calming and luxurious atmosphere in bedrooms or studies. It works well with natural materials like wood and leather, as well as metallic accents in brass or copper. The color's ability to absorb light can make a room feel cozy, but adequate lighting is essential to prevent it from becoming too dark.
Fashion Apparel
In fashion, Prussian Blue can be a striking choice for evening wear or formal attire. A Prussian Blue dress or suit conveys elegance and confidence. Because it's a dark neutral, it's easy to pair with bold accessories in complementary colors like coral or gold, adding a pop of visual interest. Consider incorporating texture with velvet or silk for an even more luxurious feel.