International Klein Blue

About International Klein Blue

International Klein Blue (IKB), also known as #0315A3, is a deep blue hue first mixed by the French artist Yves Klein. Klein patented this color in 1957 to maintain its unique intensity and association with his art. The color is known for its rich, ultramarine appearance, achieved by suspending pure color pigment in a clear synthetic resin. The visual effect of IKB is remarkable due to its ability to evoke a sense of depth and immersion. Klein used IKB extensively in his monochromatic paintings and sculptures, aiming to detach the color from any representational or emotional associations, presenting it as pure color. Today, International Klein Blue continues to be used in various artistic and design applications, often associated with modernity, sophistication, and a sense of the avant-garde.

The color #0315A3, also known as International Klein Blue, presents significant accessibility challenges due to its low luminance. When used as a foreground color on a white background, it results in very poor contrast, failing WCAG (Web Content Accessibility Guidelines) standards for both normal and large text. This means individuals with visual impairments, including those with low vision or color blindness, may struggle to read text or distinguish elements using this color. To improve accessibility, consider using a much lighter color for text or interface elements when pairing with #0315A3, or conversely, a very dark color for the background. Aim for a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text to ensure readability for a wider audience. Tools like contrast checkers can help verify compliance with accessibility standards. Furthermore, avoid using this color as the sole indicator for important information, such as links or error messages; supplement it with text labels or icons to ensure inclusivity.

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Alternative colors

Applications

• Web Design Accent Color

  In web design, International Klein Blue can be used strategically as an accent color to highlight key elements, such as call-to-action buttons or section headers. However, due to its low accessibility score, it is essential to use it sparingly and always ensure sufficient contrast with the background. It can be paired with lighter, more accessible colors to create visually appealing designs that prioritize user experience. Consider using it for decorative elements or backgrounds of images, where the color enhances the overall aesthetic without compromising readability. Always test color combinations with accessibility tools to meet WCAG guidelines.

• Fashion Statement

  In fashion, International Klein Blue can make a bold statement. A dress or suit in this color is sure to turn heads. Use it in smaller doses, such as accessories like scarves or shoes, can add a pop of color to a more neutral outfit. The color can be paired with white, black, or silver for a classic and sophisticated look, or with complementary colors like orange or yellow for a more daring and eye-catching ensemble. Its intensity requires careful consideration of the overall balance of the outfit.

• Interior Design Accent

  In interior design, International Klein Blue is ideal for creating a focal point in a room. An accent wall painted in this color can add depth and vibrancy to a space. Consider using it for furniture pieces like sofas or armchairs to create a bold statement. Use it in moderation to avoid overwhelming the space and balance the intensity by pairing it with neutral colors and natural materials to create a balanced and harmonious environment. Accessories such as throw pillows and artwork can also be used to introduce this color into the room.

Complementary color

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