Ultramarine
General Information about Ultramarine (#180C9F)
The hexadecimal color #180C9F is a deep shade of blue, often referred to as ultramarine. It resides in the blue color family and possesses a rich, intense character. In the RGB color model, it is composed of 9.41% red, 4.71% green, and 62.35% blue. The color's origins can be traced back to the pigment derived from the precious stone lapis lazuli, which was highly valued for its vibrant blue hue. The color #180C9F is commonly associated with depth, stability, and sophistication. It conveys a sense of trust and authority, making it a popular choice for corporate branding and design. In the CMYK color model, it consists of 85% cyan, 92% magenta, 0% yellow, and 38% black.
The color #180C9F, a deep ultramarine, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance contrast against white backgrounds necessitates careful consideration. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. This dark blue hue often falls short, making text difficult to read. To improve accessibility, consider pairing this color with significantly lighter shades like white, yellow, or pale cyan. Also, avoid using this color in combination with very dark fonts and other dark colors. Providing alternative text descriptions for images and using ARIA attributes can further enhance accessibility for screen reader users. Ensure interactive elements have sufficient contrast for focus states.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design: Call-to-Action Buttons
Ultramarine (#180C9F) is a bold choice for website headers and call-to-action buttons. Its commanding presence draws the eye and creates a sense of authority. It can be effectively paired with lighter, contrasting colors for text and supporting elements to ensure readability and visual balance. However, overuse of this strong color can be overwhelming, so it's best used strategically to highlight key elements and guide the user's attention. In modern web design, it can be used for loading bars.
Interior Design: Accent Color
In interior design, Ultramarine (#180C9F) can be used as an accent color to add depth and sophistication to a room. Consider using it for throw pillows, artwork, or a feature wall to create a focal point. It pairs well with neutral colors like beige, gray, and white, as well as metallic accents like gold and silver. To avoid making the room feel too dark, use it sparingly and ensure there is plenty of natural light or bright artificial lighting. It can be very effective in nautical themed designs.
Fashion: Evening Wear
For fashion, the hex color #180C9F can be great for evening wear. A silk dress or velvet blazer in this hue exudes confidence and elegance. Pair it with metallic accessories like silver or gold jewelry to enhance its richness. For a more casual look, consider using it as an accent color in scarves, handbags, or shoes. It can also be a good option for men's suits.