Ultramarine
About Ultramarine (#150C8F)
The hexadecimal color code #150C8F represents a deep, saturated shade of blue known as Ultramarine. In the RGB color model, it is composed of 8.24% red, 4.71% green, and 56.08% blue. This signifies a high concentration of blue light, giving it its distinctive hue. Ultramarine historically was derived from the precious mineral lapis lazuli, making it a highly valued pigment, especially during the Renaissance. The modern production of ultramarine is now synthetic, allowing for wider availability and affordability. The name 'Ultramarine' comes from the Latin 'ultramarinus', literally meaning 'beyond the sea', as it was imported to Europe from Asia. It has found extensive use in art, textiles, and various applications where a rich, vibrant blue is desired.
The color #150C8F, a deep ultramarine, presents several accessibility considerations for web development. Its low lightness value (close to black) means that it requires careful attention to contrast when used with text or other foreground elements. According to WCAG guidelines, sufficient contrast is essential for users with visual impairments, including those with low vision or color blindness. A large text element (18pt or 14pt bold) should have a contrast ratio of at least 3:1, while smaller text needs a ratio of 4.5:1 against the background. Using a color contrast checker is highly recommended to ensure that the selected foreground color meets these standards when paired with #150C8F. Avoid using this color for crucial interactive elements without proper contrast, as it could make the website unusable for some individuals. Additionally, rely not only on color but also on other visual cues (e.g., icons, text labels) to convey information. Consider providing a high-contrast theme option for users who need it.
Shades
Digital Color Formats
Alternative colors
A slightly lighter shade of blue that provides better contrast against white backgrounds, making it easier to read text.
A more vibrant blue that can be used as an accent color without overpowering the design.
A dark gray that works well as a background color alternative to black, providing a softer visual experience.
Applications
Brand Identity for Tech Companies
Ultramarine, like #150C8F, can serve as a powerful brand color, especially for technology or innovation companies. Its depth and sophistication evoke feelings of trust, intelligence, and forward-thinking vision. It can be used in logos, website headers, and marketing materials to establish a strong brand identity. The color's rich character makes it suitable for companies looking to convey stability and authority while maintaining a modern aesthetic. When using it as a brand color, consider pairing it with lighter complementary colors for optimal visual appeal and readability.
UI Design for Websites
In web design, ultramarine can create a visually striking user interface (UI), particularly in navigation menus, call-to-action buttons, or interactive elements. It adds a touch of elegance and professionalism to the overall look and feel of a website. However, it's essential to use it sparingly and strategically to avoid overwhelming the user. Combine ultramarine with lighter, more neutral colors to maintain a balanced and user-friendly design. Additionally, remember to check for sufficient color contrast to ensure accessibility for all users.
Interior Design for Calming Spaces
Ultramarine's association with the sea and sky makes it a fitting choice for interior design projects aiming to create calming and serene spaces. As an accent wall or through decorative elements, it can bring a sense of depth and tranquility to a room. It pairs well with neutral colors like white, beige, and gray, allowing the intensity of the blue to stand out without overpowering the space. In a bedroom setting, ultramarine can promote relaxation and improve sleep quality.