International Klein Blue

About International Klein Blue

International Klein Blue, often abbreviated as IKB, is a deep shade of blue first mixed by the French artist Yves Klein. IKB's visual impact comes from its heavy reliance on ultramarine, as well as Klein's artistic use of the color. The synthesis of IKB occurred in 1956 as Klein collaborated with a Parisian paint dealer to maintain the quality of the ultramarine pigment. Klein patented the process to maintain the color's unique properties. This color is known for its intense and captivating hue. Klein used this color to represent the limitless expanse of the sky and sea, seeking to evoke a sense of boundlessness in his art. The color remains closely associated with his work and is still used by artists and designers today.

The color #0221A0, also known as International Klein Blue, presents significant accessibility challenges. Its very dark hue results in low contrast against light backgrounds, making it difficult for users with visual impairments to read text or distinguish interface elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color likely fails to meet these standards when paired with common background colors like white or light gray. To improve accessibility, consider using a much lighter color for text or interactive elements when using #0221A0 as a background. Alternatively, use #0221A0 more sparingly, reserving it for purely decorative elements that don't convey essential information. Providing sufficient contrast is crucial for ensuring that your website or application is usable by everyone, including individuals with low vision or color blindness. Tools like contrast checkers can help you assess and adjust color combinations to meet accessibility requirements.

Shades

Digital Color Formats

Alternative colors

Applications

• Web Design Accent

  In web design, International Klein Blue can be used as an accent color to highlight important elements such as call-to-action buttons or headings. Its boldness can draw the user's attention, but it should be used sparingly to avoid overwhelming the user interface. Consider using it for interactive elements like links and buttons to create a sense of depth and encourage engagement. Because of its darkness, this color should be used on bigger elements, and paired with contrasting text color, following WCAG guidelines for accessibility. Combining it with neutral colors like white or light gray can create a sophisticated and modern look.

• Fashion Statement

  International Klein Blue is an eye-catching color choice for fashion, often used in statement pieces. It works exceptionally well with neutral colors like black, white, and gray, allowing the blue to stand out as the focal point. It could be used in bold dresses, striking accessories, or even as a pop of color in footwear. However, pairing it with other strong colors can create a visually overwhelming look, so it's best to use it as the primary color and incorporate more subdued colors for other parts of an outfit. Because this color is so intense, it's suited for special events.

• Interior Design Accent

  In interior design, International Klein Blue can add a touch of sophistication and drama to a space. It can be used as an accent wall color to create a focal point in a room, or incorporated into furniture and decor items such as throw pillows, rugs, and artwork. It pairs well with metallic accents like gold or silver, and can create a luxurious and opulent atmosphere. Use this color to give impact to an element, and do not abuse it because its impact may be lost.

Complementary color

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