Cello
General Information about #1A3E5F
The hex color #1A3E5F, also known as Cello, is a dark, muted shade of blue. It resides within the blue color family, characterized by its relatively low saturation and moderate darkness. In the RGB color model, it is composed of 10.2% red, 24.3% green, and 37.3% blue. In the CMYK color model, commonly used in printing, its composition is 72% cyan, 35% magenta, 0% yellow, and 63% black. This color evokes a sense of calmness, stability, and sophistication. It's often associated with trust, intelligence, and efficiency, making it a popular choice in corporate branding and design. Its subtle nature allows it to be versatile and work well with a variety of other colors, from neutrals to bolder accent shades.
The hex color #1a3e5f, also known as Cello, presents some accessibility challenges, particularly regarding color contrast. When used as a background color, careful consideration must be given to the foreground text color to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using a light text color like white or a very light gray might provide acceptable contrast, but it's essential to test it with accessibility evaluation tools to confirm compliance. For individuals with visual impairments, including those with low vision or color blindness, inadequate contrast can make content difficult or impossible to perceive. Therefore, designers and developers should prioritize accessibility testing and consider providing alternative color themes or customization options to accommodate diverse user needs and preferences. Tools like WebAIM's contrast checker can be invaluable in this process, helping to ensure that content is accessible to everyone.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design
In web design, #1a3e5f can be effectively used for header backgrounds or navigation bars to create a sense of depth and professionalism. Its muted tone pairs well with lighter accent colors and can help establish a sophisticated visual hierarchy. For instance, using this color as the primary background for a website with a tech or corporate theme can evoke trust and reliability. It's also suitable for call-to-action buttons when paired with a contrasting hover effect to draw attention and encourage user interaction. Careful consideration of text color is essential to ensure readability and accessibility.
Interior Design
In interior design, #1a3e5f, or Cello, can be incorporated as an accent wall color in a living room or bedroom to create a calming and sophisticated atmosphere. It works particularly well in spaces with ample natural light, as it can help to balance the brightness without feeling too overwhelming. This color can also be used for upholstery on furniture pieces like sofas or armchairs, providing a subtle yet elegant touch. When pairing it with other colors, consider using warm neutrals or muted golds to create a cohesive and inviting space. Accessorizing with metallic elements like brass or copper can further enhance the richness of the color.
Fashion
In fashion, #1a3e5f serves as an excellent choice for evening wear or professional attire, lending an air of sophistication and understated elegance. This color is particularly flattering when used in fabrics like velvet or silk, enhancing its depth and richness. For accessories, consider pairing it with silver or gunmetal jewelry to complement its cool undertones. In casual wear, #1a3e5f can be incorporated into knitwear or outerwear, offering a versatile alternative to traditional navy or black. Its adaptability makes it a timeless addition to any wardrobe, suitable for various occasions and personal styles.