Cerulean Blue
General Information about Cerulean Blue
Cerulean Blue, represented by the hexadecimal color code #2151B5, is a captivating shade of blue within the broader spectrum of cyan-blues. It exhibits a moderate saturation and luminance, contributing to its calming yet distinct presence. In the RGB color model, it is composed of 12.94% red, 31.76% green, and 70.98% blue. The name "cerulean" is derived from the Latin word "caeruleus," meaning "dark blue" or "sky-blue," reflecting its association with the clear, deep blue of the sky. This color is often linked with feelings of serenity, stability, and intellect, making it a popular choice across various applications. Cerulean blue possesses a unique characteristic that combines the calmness of blue with a slight touch of vibrancy.
The hex color #2151B5, a shade of cerulean blue, presents some accessibility considerations for web developers. Its relatively low luminance value means that sufficient contrast with text and other elements is crucial for users with visual impairments. According to WCAG guidelines, it's essential to ensure a contrast ratio of at least 4.5:1 for normal-sized text and 3:1 for large text (14pt bold or 18pt regular) against backgrounds. Using online contrast checkers can help verify compliance. When using this color for interactive elements like buttons or links, consider providing additional visual cues, such as underlines or borders, to enhance distinguishability, especially for users who might have difficulty perceiving color differences. Additionally, avoid relying solely on color to convey important information, as colorblind users may not be able to differentiate it from other colors.
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Applications
Web Design
In web design, cerulean blue (#2151B5) can serve as a primary color for websites in the technology or education sector, where trust and professionalism are essential. It can be used for headings, navigation bars, or call-to-action buttons. Paired with neutral backgrounds like white or light gray, it creates a clean and modern aesthetic. Additionally, it can be effectively used in data visualizations to represent certain metrics or categories. In UI design it can be used for loading bars to give a calming impression for the user. Its calming nature promotes trust for the user.
Fashion
In fashion, cerulean blue can be used as an accent color in clothing or accessories to add a touch of sophistication and calmness. It pairs well with neutral colors like gray, white, and beige. For example, a cerulean blue scarf or handbag can complement a simple outfit and add a pop of color. It is a versatile shade that can be incorporated into both casual and formal wear. In interior design, the color can be used in walls, curtains, sofas and pillows.
Graphic Design
In graphic design, cerulean blue can be used in logos, branding materials, and marketing collateral. Its calming and trustworthy nature makes it suitable for companies in the finance, healthcare, or technology industries. It can be combined with other colors such as gray, white, and gold to create a professional and sophisticated look. It is also a popular choice for infographics, where it can be used to represent data and information in a clear and concise manner. This color brings clarity to the design.