Prussian Blue
General Information about Prussian Blue
Prussian Blue, represented by the hexadecimal color code #04315a, is a deep, rich shade of blue with historical significance and a wide range of applications. It is a dark, almost navy-like hue, characterized by its strong blue pigment with subtle hints of green. The color's name comes from its origin as a pigment first synthesized in Prussia in the early 18th century. Prussian Blue has been used extensively in art, manufacturing, and even medicine. It's known for its stability and permanence, making it a reliable choice in various applications. In digital contexts, Prussian Blue evokes feelings of trust, authority, and sophistication.
The hex color #04315a, a shade of Prussian Blue, presents significant accessibility challenges, particularly for users with visual impairments. Its very low luminance value of approximately 1% means that text or interactive elements using this color as a background require extremely light foreground colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text (14pt bold or 18pt regular). When using #04315a, careful consideration must be given to achieving these contrast ratios to avoid creating barriers for users. Using online contrast checkers is highly advisable to verify compliance and ensure readability and usability for all users, including those with low vision or color blindness. Also consider providing alternative color schemes.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design
Prussian Blue can be effectively employed in website headers and footers to create a sense of depth and professionalism. Its dark, muted tone allows for clear visibility of navigation elements and important information when paired with appropriate contrasting text. This color can also be incorporated into button designs and call-to-action elements to draw user attention without being overly intrusive. In data visualization, Prussian Blue can represent certain categories or trends, particularly in charts and graphs where a sophisticated and serious tone is desired. The color provides a base of stability.
Interior Design
In interior design, Prussian Blue serves as an elegant accent color. It can be used for walls in studies or libraries to create a calming and intellectual atmosphere. Accent furniture, such as sofas or chairs, in Prussian Blue can add a touch of sophistication to living rooms. The color also works well in bedrooms, promoting relaxation and a sense of tranquility. When combined with lighter colors like cream or beige, Prussian Blue can create a balanced and visually appealing space. It also combines well with wood tones.
Fashion Design
Prussian Blue is also used in fashion and creates a sophisticated and elegant look. The color can be used in outerwear or evening dresses. Pairing it with silver or gold is suitable for an elegant look.