International Klein Blue
About International Klein Blue
International Klein Blue (IKB), also known as #0029bc, is a deep blue hue first mixed by the French artist Yves Klein. Klein registered this color as a trademark in 1957, although the trademark's validity has been debated over the years. IKB's remarkable intensity and purity result from its high saturation and lack of greenish or reddish undertones. The color is achieved by suspending pure ultramarine pigment in a clear synthetic resin, which allows the pigment to retain its brilliance without being dulled by a binder. The unique qualities of IKB have made it a significant color in the art world, and it has also found its way into fashion, design, and popular culture.
The hex color #0029bc, also known as International Klein Blue, presents some accessibility challenges, particularly for users with visual impairments. Its deep, saturated hue results in a low contrast ratio when paired with lighter text or interface elements. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. Using #0029bc as a background with white text, for example, may not meet the minimum contrast ratio thresholds (4.5:1 for normal text and 3:1 for large text). To improve accessibility, consider using lighter shades of blue or pairing it with high-contrast colors like white or yellow for text and interactive elements. Tools like contrast checkers can help determine if the color combination meets accessibility standards and ensure a more inclusive user experience. Also, avoid using it as the sole indicator for interactive elements like links or buttons.
Shades
Digital Color Formats
Alternative colors
- #4682b4
A lighter, more accessible shade of blue that still evokes a sense of calm and trustworthiness, while providing better contrast against white text.
- #6495ed
A desaturated blue that offers a softer and more muted feel, making it easier on the eyes and improving readability when used as a background color.
- #003399
This color will provide good contrast for text, improving readability for the screenreader users.
Applications
Website Headers and Footers
International Klein Blue is often used in website headers and footers to create a sense of authority and stability. Its strong visual presence can draw the user's attention to important information or calls to action. When used sparingly and balanced with lighter elements, it can contribute to a professional and trustworthy online presence. This color is particularly effective for technology or finance related websites, where conveying trust is paramount. However, overuse can be overwhelming, so strategic placement is essential.
Branding and Logo Design
Designers frequently use International Klein Blue in branding materials to communicate innovation and confidence. Its bold hue makes a lasting impression and can help a brand stand out from the competition. It is often paired with complementary colors like yellow or orange to create a dynamic and visually appealing palette. The depth of the color lends itself well to logos, packaging, and marketing collateral, conveying a sense of premium quality and sophisticated style.
Art and Design
The unique color is often seen in modern art installations and digital art, where its intense saturation creates a captivating and immersive experience. Artists use it to evoke feelings of depth, infinity, and transcendence. Its non-naturalistic quality makes it suitable for abstract compositions and experimental works. In UI, it can be a great color for the backgrounds of hero sections to evoke interest to the users.