Cobalt
General Information About Cobalt (#0845A4)
#0845A4, also known as Cobalt, is a deep and rich shade of blue within the blue color family. Hexadecimal color code #0845A4 is composed of 3.1% red, 27.1% green and 64.3% blue. In the RGB (red, green, blue) color space, it is a combination of these three primary colors. It has a wavelength of approximately 470 nm. Cobalt blue has a long history, with synthetic forms being used as pigments since the early 19th century. Chemically, it often refers to a pigment made by sintering cobalt(II) oxide with alumina. It is prized for its intense, clear blue hue and its stability, finding applications in various fields such as painting, ceramics, and plastics.
The hex color #0845A4, a deep cobalt blue, presents distinct accessibility considerations. Its low lightness value (dark shade) demands careful pairing with text and other interactive elements 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 against backgrounds. Given its darkness, #0845A4 will typically require light-colored text (e.g., white or very pale yellow) to meet these standards. Using color contrast analyzers is crucial to verify compliance. Furthermore, avoid relying solely on color to convey information; supplement with text labels, icons, or patterns for users with color vision deficiencies. Thoughtful design can make this rich color accessible to all users, enhancing the overall user experience.
Shades
Digital Color Formats
Alternative colors
- #2e5cb8
A slightly lighter blue that maintains a professional look but provides better contrast against dark text.
- #3b7ddd
A more vibrant blue alternative that can add a pop of color while still being relatively easy to work with for accessibility.
- #5d8aa8
A muted blue alternative for a more subdued and calming aesthetic. Can be paired with lighter text for better accessibility.
Applications
Web Development
In web development, #0845A4 is often utilized for navigation bars, headers, and call-to-action buttons to convey a sense of trust, authority, and stability. Its deep, rich hue makes it suitable for websites in the finance, education, or technology sectors. When using this color, ensuring sufficient contrast with text and interactive elements is critical for accessibility. For instance, white or light-yellow text on a #0845A4 background provides excellent readability. This color can also be effectively employed in data visualizations and charts to highlight key information or trends.
Fashion
In the realm of fashion, #0845A4 exudes elegance and sophistication. This color can be used in formal wear, such as evening gowns or suits, to create a striking and memorable impression. It pairs well with metallic accessories like silver or gold to enhance its luxurious appeal. Moreover, #0845A4 can be incorporated into casual wear, such as sweaters or jeans, to add a touch of refinement to everyday outfits. As an accent color, it works harmoniously with neutral tones like gray, beige, or white.
Interior Design
In interior design, #0845A4 can be used to create a calming and sophisticated atmosphere. It's well-suited for accent walls in living rooms or bedrooms, providing a focal point that draws the eye. This color can be beautifully paired with light-colored furniture and decor to create a balanced and inviting space. Additionally, #0845A4 works well in studies or home offices, promoting concentration and a sense of tranquility. Consider using it in rugs, curtains, or artwork to add depth and character to a room.