Cello
General Information About #1D3557
The hexadecimal color code #1D3557 represents a dark shade of blue, often described as 'Cello'. It belongs to the blue-violet color family and exhibits a sense of depth and stability. In the RGB (Red, Green, Blue) color model, #1D3557 is composed of 11.4% red, 21.6% green, and 34.1% blue. Converting this to the CMYK (Cyan, Magenta, Yellow, Key/Black) color model, it consists of 67% cyan, 37% magenta, 0% yellow, and 66% black. This color is often associated with qualities like trustworthiness, intelligence, and sophistication, making it a popular choice for branding and design applications seeking to convey these attributes. It’s widely utilized in web design, corporate branding, and interior decoration.
The color #1D3557 (Cello) presents specific accessibility considerations for web developers. Due to its relatively dark hue, it's crucial to ensure sufficient contrast between text or interactive elements using this color and their background. A contrast ratio of at least 4.5:1 is recommended for normal-sized text, as per WCAG guidelines, to ensure readability for users with visual impairments. For larger text (14pt bold or 18pt regular), a contrast ratio of 3:1 is acceptable. When using this color for links or buttons, provide additional cues like underlines or icons to make them easily identifiable. Remember to test your color combinations with accessibility tools to verify compliance and ensure an inclusive user experience for everyone.
Shades
Digital Color Formats
Alternative colors
- #2a4d69
A slightly lighter shade of blue that maintains a similar aesthetic while offering better contrast against dark backgrounds.
- #35455d
A desaturated blue that provides a more muted and subtle appearance, suitable for backgrounds or secondary elements.
- #29648b
A more vivid blue, which could be used to draw attention or signify important elements in your project.
Applications
Web Design
In web design, #1D3557 can be utilized for website headers, navigation bars, or as a background color for sections requiring a sense of sophistication and depth. It pairs well with lighter text colors like white or off-white to create a visually appealing and professional look. Furthermore, this color is suitable for data visualization, where it can represent specific categories or data points, allowing for clear and concise information display. Its calming nature makes it a good choice for websites related to finance, technology, or corporate services.
Interior Design
In interior design, Cello can be incorporated as an accent wall color in living rooms, bedrooms, or home offices to create a relaxing and focused atmosphere. It can also be used in furniture upholstery or decorative accessories like cushions and throws. When combined with lighter colors such as beige, cream, or light gray, it brings a sense of balance and harmony to the space. Additionally, #1D3557 can be used in bathroom designs for tiles or vanity units, creating a spa-like environment.
Fashion
In fashion, this color is often used in formal wear such as suits, dresses, or outerwear, conveying a sense of elegance and confidence. It complements neutral colors like black, gray, and white, as well as earthy tones like brown and olive green. #1D3557 can also be used in accessories like scarves, handbags, and shoes, adding a touch of sophistication to any outfit. This versatile color can be worn year-round, making it a staple in many wardrobes.