Astronaut
General Information
The hexadecimal color #213C7A, also known as Astronaut, is a dark shade of blue that evokes feelings of depth, stability, and intelligence. It belongs to the blue color family, which is often associated with calmness, trust, and authority. In the RGB color model, #213C7A consists of 12.94% red, 23.53% green, and 47.84% blue. This composition results in a color that is both muted and sophisticated. In the CMYK color model, it is composed of 73% cyan, 51% magenta, 0% yellow, and 52% black. This color is frequently used in corporate branding, website design, and interior decoration to create a sense of professionalism and reliability.
The color #213C7A, also known as Astronaut, presents certain accessibility challenges. Its relatively low lightness value means it requires careful consideration of contrast ratios, especially when used for text or interactive elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text against its background to ensure readability for users with visual impairments. When using #213C7A, it's crucial to pair it with much lighter colors to meet these standards. Insufficient contrast can make content difficult or impossible to read, particularly for individuals with low vision or color blindness. Testing with accessibility tools and user feedback is highly recommended to ensure usability.
Shades
Digital Color Formats
Alternative colors
- #456990
A lighter shade offers better contrast against dark backgrounds and improves readability.
- #3b5998
A more vibrant blue can draw attention and add a touch of energy to designs.
- #000080
Navy Blue can serve as a classic and sophisticated alternative, providing a similar depth with slightly improved versatility.
Applications
Web Design
In web design, #213C7A can be used for website headers and footers to establish a professional and trustworthy aesthetic. It is also suitable for call-to-action buttons when paired with a contrasting color to ensure visibility. Furthermore, this color can define the sidebar in a layout, creating a clear separation of content and improving user navigation. It's important to maintain sufficient contrast between the text and background for readability and accessibility.
Fashion
In fashion, #213C7A can be used as a base color for formal wear, providing a sense of sophistication and depth. It can be paired with lighter colors, such as white or beige, to create a balanced and elegant ensemble. Accessories in metallic tones like silver or gold can complement this color, adding a touch of refinement. Additionally, this color is suitable for casual wear, such as sweaters or jackets, offering a stylish and versatile option.
Interior Design
In interior design, #213C7A can be applied to accent walls in living rooms or bedrooms, creating a calming and sophisticated atmosphere. It pairs well with neutral colors like gray, beige, or white, allowing the color to stand out without being overwhelming. Furniture in light wood tones or metallic accents can complement this color, adding warmth and visual interest to the space. Textiles such as cushions, curtains, or rugs in complementary colors can enhance the overall aesthetic, creating a cohesive and inviting environment.