Cobalt
General Information about Cobalt (#0D3FA7)
The hex color #0D3FA7, also known as Cobalt, is a deep shade of blue often associated with stability, trust, and knowledge. In the RGB color model, it is composed of 5.1% red, 24.7% green, and 65.5% blue. In the CMYK color model, which is commonly used for printing, it is composed of 92% cyan, 62% magenta, 0% yellow, and 35% black. The color has a wavelength of approximately 470 nanometers, placing it within the blue region of the visible light spectrum. Cobalt is widely used in various applications, from web design to fashion, often conveying a sense of professionalism and sophistication. Its hex code #0D3FA7 makes it easy to specify and use in digital design environments.
The hex color #0D3FA7, a deep cobalt blue, presents some accessibility considerations for web design. When used as a background color, it's crucial to ensure sufficient contrast with text and other foreground elements. A light text color, such as white or a very pale yellow, would be suitable to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratio. Without adequate contrast, users with visual impairments may struggle to read content. Similarly, when used for interactive elements like buttons or links, make sure the focus state is clearly visible, perhaps through a bright border or change in color, to assist keyboard navigation. In general, this dark blue hue requires careful pairing with brighter, lighter colors to maximize readability and usability for all users.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design
In web design, Cobalt (#0D3FA7) can be used to create a sense of trust and professionalism. It is appropriate for websites that represent institutions such as banks, educational organizations, or government agencies. As a background color for headings and navigation bars, it provides a sophisticated feel. However, it should be used sparingly as a main background color due to its darkness, which can reduce readability. Consider pairing it with white or light gray text for optimal contrast. This color also works well for call-to-action buttons, drawing the user's eye to important elements on the page, particularly when paired with a contrasting highlight color.
Fashion
In fashion, Cobalt (#0D3FA7) is often associated with elegance and sophistication. It can be used in formal wear, such as evening gowns or suits, to create a polished and refined look. The color works well as a statement piece, like a bold dress or a striking blazer. It can also be incorporated into accessories, such as scarves or handbags, to add a pop of color to a neutral outfit. The deep hue complements a range of skin tones, making it a versatile choice for different individuals. It is suitable for both day and night wear, and can be paired with metallics or neutral tones for a balanced ensemble.
Interior Design
For interior design, Cobalt (#0D3FA7) provides a luxurious and calming feel. It can be applied to accent walls in living rooms or bedrooms to create a focal point. Use it in smaller doses, such as through decorative pillows, artwork, or rugs, to add depth and richness to a space without overwhelming it. The color works well with both warm and cool tones, allowing for versatile design options. In rooms with natural light, Cobalt can create a serene atmosphere, while in darker spaces, it brings a touch of drama. Consider pairing it with metallic accents, like gold or silver, to enhance its opulent quality.