International Klein Blue
About International Klein Blue
International Klein Blue (IKB), with the hex code #0519AF, is a deep blue hue first mixed by the French artist Yves Klein. Klein patented this color in 1957, and it has since become synonymous with his artistic vision. IKB is characterized by its intense saturation and ultramarine pigment, giving it a unique visual impact. This color seeks to capture the feeling of pure blue beyond what can be seen, evoking a sense of boundlessness. The goal was to enable observers to enter a world of pure blue, as Yves Klein explained. IKB is not just a color but also a symbol of Klein's artistic exploration of the infinite and the immaterial. Because of this goal the color is specifically matte, which makes it stand out from most modern colors.
The hex color #0519AF, also known as International Klein Blue, presents significant accessibility challenges due to its very dark hue. When used as a foreground color for text or interactive elements, it demands a very light background color to ensure sufficient contrast. According to WCAG (Web Content Accessibility Guidelines) standards, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text to meet AA compliance. When paired with white (#FFFFFF), International Klein Blue achieves a good contrast ratio for accessibility. However, using it with darker shades or colors closer to it on the spectrum will likely fail accessibility tests. Designers must carefully consider color combinations and utilize tools to verify contrast ratios to ensure readability and usability for all users, including those with visual impairments. Thoughtful application of this vibrant color is crucial for inclusive design.
Shades
Digital Color Formats
Alternative colors
Applications
Interactive Elements in Web Design
International Klein Blue can be used to highlight interactive elements such as buttons and links, drawing the user's attention to key actions. Its intense saturation makes it an excellent choice for calls to action. However, it should be paired with sufficient white space and a clear visual hierarchy to avoid overwhelming the user. Used sparingly, it can create a strong visual impact and enhance user engagement by guiding users through the interface effectively and clearly.
Accent Color in Interior Design
In interior design, International Klein Blue can be used as an accent color to add a pop of vibrancy to a neutral space. Consider using it on a single wall, a piece of furniture, or decorative accessories to create a focal point. It pairs well with white, gray, and natural wood tones, creating a sophisticated and visually stimulating environment. Avoid overusing it, as its intensity can be overwhelming in large doses. Balance is key to achieving a harmonious and stylish interior.
Fashion statements
This blue works great for fashion statements, like dresses, shirts or other eye-catching elements of your outfit. It represents confidence and draws the eyes of the beholder onto you. Combine it with neutral colors, like black, white or grey, or find the courage to add a daring color like yellow or red for a unique, creative style. Use this color sparingly, but confidently.