International Klein Blue
About International Klein Blue
International Klein Blue, often referred to as IKB, is a deep shade of blue 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. The color's unique intensity comes from its heavy reliance on ultramarine pigment, which is a synthetic pigment derived from the mineral lapis lazuli. IKB is celebrated for its remarkable saturation and the powerful emotional response it evokes. It is commonly used in modern art, design, and branding to convey a sense of depth, sophistication, and artistic innovation. The color's matte finish enhances its visual impact, creating a strong sense of depth and texture.
International Klein Blue (#0028B4) offers moderate contrast against white text, yielding a contrast ratio of approximately 4.6:1. While this meets WCAG AA standards for normal text (4.5:1), it falls short of AAA compliance and may pose challenges for users with visual impairments. For enhanced readability, consider using a lighter text color like white or a very light shade of yellow. Combining this deep blue with larger text sizes (14pt bold or 18pt regular) will improve readability, and is recommended for crucial information or calls to action. Designers can improve accessibility by pairing this color with carefully chosen fonts and sufficient spacing to minimize eye strain and enhance the visual hierarchy.
Shades
Digital Color Formats
Alternative colors
Applications
Website Design
International Klein Blue is excellent for website headers and call-to-action buttons. Its bold and distinctive nature draws the user's attention, making key elements stand out. Ensure adequate contrast with the text used on these buttons to maintain optimal accessibility. It also enhances the overall user experience by creating a visually stimulating interface. This helps to establish a strong brand identity, making the website both functional and aesthetically pleasing.
Interior Design
This intense blue brings a sense of sophistication and depth to interior spaces. It can be used as an accent wall color or incorporated through furniture and decorative items. When using it in interior design, balance it with lighter, neutral colors to prevent the space from feeling too dark or overwhelming. It works exceptionally well in studies, libraries, or any space where a sense of contemplation and focus is desired.
Fashion
International Klein Blue has made a significant impact in the fashion world, often used for statement pieces like dresses, jackets, and accessories. Its striking appearance adds a bold and artistic touch to outfits. Pair it with neutral colors like white, black, or gray to let the blue truly stand out. The color can be used to create both elegant and avant-garde looks, depending on the design and the overall style of the ensemble.