Cobalt
About Cobalt (#0B3CA9)
The hex color #0B3CA9, often referred to as Cobalt, is a deep and saturated shade of blue. In the RGB color model, it is composed of 4.31% red, 23.53% green, and 66.27% blue. This color is often associated with feelings of stability, trust, and authority. Cobalt blue has a rich history, having been used in pigments and dyes for centuries. Its vibrant and lasting nature made it a prized color in art and design. The hex code #0B3CA9 is commonly used in web design, graphic design, and other digital applications to represent this specific shade of Cobalt blue. Understanding its RGB composition helps designers accurately reproduce the color across different platforms and media.
The hex color #0b3ca9, also known as Cobalt, presents certain accessibility considerations for web design. Its relatively dark hue means it needs careful pairing with text and background colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text to meet Level AA compliance. When using #0b3ca9 as a background, light text colors like white or very light yellows are advisable. If used for text, consider a light background. Tools like contrast checkers can help verify compliance. Additionally, avoid relying solely on color to convey important information, as users with color vision deficiencies might not perceive it accurately. Providing alternative cues such as text labels or icons is crucial for inclusive design.
Shades
Digital Color Formats
Alternative colors
Applications
Website Design
Cobalt (#0b3ca9) can be used in website headers and navigation bars to create a professional and trustworthy aesthetic. The color's depth and richness evoke feelings of stability and authority, making it suitable for businesses in finance, technology, or consulting. When combined with a clean, minimalist layout, Cobalt can enhance the user experience by providing a visually appealing and easily navigable interface. Use lighter shades of text on this background.
Interior Design
In interior design, Cobalt (#0b3ca9) can serve as an accent color in living rooms or bedrooms. Consider using Cobalt-colored cushions, throws, or artwork against a neutral background, such as cream or light gray. The deep blue hue adds a touch of sophistication and can create a calming atmosphere. When paired with metallic accents like gold or silver, Cobalt elevates the space to a more luxurious level. It is perfect for feature walls.
Fashion Design
Cobalt (#0b3ca9) can be incorporated into fashion design, especially in evening wear or formal attire. A Cobalt blue dress or suit makes a bold statement while maintaining an air of elegance. The color complements a variety of skin tones and can be paired with neutral accessories like black heels or a silver clutch. Cobalt also works well in patterned fabrics, adding depth and richness to the overall design. The color is often used for work attire.