International Klein Blue
About International Klein Blue
International Klein Blue, often abbreviated as IKB, is a deep blue hue first mixed by the French artist Yves Klein. Klein, known for his performance art and monochrome paintings, sought to create a blue that captured the purest expression of blue. The color was synthetically created and registered as a trademark by Klein in 1957. IKB's unique matte finish enhances its intensity, making it visually striking and captivating. The pigment used is a specific ultramarine pigment, lending to the depth and richness of the color. This color is very saturated and often associated with creativity, innovation, and artistic expression. It is still frequently used in art, design, and branding to evoke these qualities.
The hex color #0424af, also known as International Klein Blue, presents significant accessibility challenges, especially for users with visual impairments. Its very low luminance (darkness) means that text rendered in white or light colors against this background must have a high contrast ratio to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Conversely, black or dark text is almost impossible to read on this background. Therefore, it is crucial to test color combinations thoroughly using accessibility tools to ensure readability for all users. Furthermore, avoid using this color as the sole means of conveying information; always provide redundant cues, such as text labels or icons. Consideration should also be given to users with color vision deficiencies, who may struggle to distinguish this blue from similar dark colors.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design Accent Color
In web design, International Klein Blue can be used strategically as an accent color to draw attention to specific elements, such as call-to-action buttons or headings. Due to its boldness, it's best used sparingly to avoid overwhelming the user. It can also create a sense of depth and sophistication in website backgrounds. Because of accessibility issues, it is recommended to use it only for decorative purposes, or in combination with good contrasting colors for elements like text.
High-Fashion Apparel
In the realm of fashion, International Klein Blue makes a bold statement and can be used for striking apparel pieces such as dresses or jackets. It is perfect for creating unforgettable looks and adding a pop of color. However, since the color is so dominant, it's important to consider the rest of the styling elements and to add neutral colors to provide balance to the outfit.
Interior Design Accent
In interior design, this color can create a bold focal point in a room when used on an accent wall or a statement furniture piece. It works well in modern and contemporary spaces, adding a touch of sophistication and drama. Balance the boldness of the blue with neutral colors and textures to create a balanced look in the room. Good lighting is important to show the color's richness.