Cobalt
General Information
The hexadecimal color code #004CB4 represents a shade of deep blue, often referred to as cobalt blue. In the RGB color model, it consists of 0% red, 29.8% green, and 70.6% blue. This color is commonly associated with feelings of trust, stability, and intelligence, which makes it a popular choice in branding for businesses in the technology, finance, and healthcare industries. The color is found in many different applications, such as web design, graphic design, and even fashion. In color theory, cobalt blue can be combined with complementary colors like yellow-orange (#B46700) to create a balanced and visually appealing aesthetic. Understanding the properties and associations of #004CB4 allows designers to use it effectively in various creative projects.
The color #004CB4, a deep cobalt blue, presents some accessibility considerations for web development. When used as a background color, it's crucial to ensure sufficient contrast with the foreground text. A light color like white or a pale yellow is recommended to meet WCAG (Web Content Accessibility Guidelines) standards for readability. Conversely, when used as a text color, a lighter background is necessary. Avoid pairing this blue with dark greys or blacks as it can strain the eyes. The contrast ratio should ideally be at least 4.5:1 for normal text and 3:1 for large text. Also, be mindful of users with visual impairments, ensuring that color isn't the sole means of conveying important information; use icons, text labels, or patterns as supplementary cues. Testing with accessibility tools can confirm compliance and optimal usability for all users.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design
In web design, #004CB4 can be used to create a sense of trust and professionalism. It's suitable for headings, buttons, and interactive elements where you want to draw the user's attention. Consider using it in the hero section of a website for a tech company or a financial institution. Pair it with white or light gray backgrounds to maintain a clean and modern aesthetic. Avoid using it excessively, as large blocks of dark blue can become visually tiring.
Interior Design
In interior design, Cobalt, #004CB4, can add a touch of elegance and sophistication to a space. Use it as an accent color in throw pillows, artwork, or a feature wall. It pairs well with neutral colors like beige, gray, and white. Consider using it in a home office or a living room to create a calm and focused environment. The color can be balanced by adding warm accents such as wooden furniture or natural textures.
Data Visualization
For data visualization, Cobalt can be used effectively to represent one category of data against a neutral background or contrasting colors. When you are displaying multiple groups of data, using Cobalt for one of those categories can allow the reader to easily distinguish this group from the others. This blue is easily discernable from the other common categorical colors, such as red, yellow, green, purple, and orange.