International Klein Blue
About International Klein Blue
International Klein Blue (IKB), represented by the hexadecimal color code #0621c4, is a deep blue hue first mixed by the French artist Yves Klein. Klein patented this specific shade of blue to ensure its unique and recognizable appearance in his artwork. The color is characterized by its intense saturation and ultramarine pigment. IKB is more than just a color; it's an artistic statement and a cultural icon. In the RGB color model, #0621c4 is composed of 2.4% red, 13.9% green, and 76.9% blue. Its perceived brightness is quite low (4.3%), giving it a dark and intense quality. The color evokes feelings of depth, creativity, and the infinite, mirroring the artist's vision of transcending the physical world through art.
The hex color #0621c4, also known as International Klein Blue, presents significant accessibility challenges, particularly in web design. Its extremely low luminance makes it difficult to read when used as text against a white or light background, failing WCAG contrast ratio guidelines for normal text (4.5:1) and large text (3:1). To improve accessibility, consider using a much lighter color for text when #0621c4 is the background or vice versa. Alternatively, incorporate this vibrant blue as an accent color rather than a primary text or background color. If it's used for interactive elements, ensure sufficient visual cues beyond color alone are provided to indicate state changes (e.g., hover, focus). Testing with accessibility tools and users with visual impairments is essential to confirm usability.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design Accent
In web design, International Klein Blue can be used sparingly as an accent color to draw attention to specific elements like buttons or links. It's crucial to ensure sufficient contrast with the surrounding text and background to maintain readability and accessibility. Consider using it for graphic elements or interactive components, but avoid using it as the primary background color due to its low luminance.
Interior Design Accent
In interior design, International Klein Blue can serve as a bold accent wall color or be incorporated through furniture and decor. Its intense hue can add a touch of sophistication and drama to a room. Balance the color with neutral tones and ample lighting to prevent the space from feeling overwhelming. Consider using it in moderation, such as in artwork or decorative pillows, to add pops of color without dominating the entire space.
Fashion Statement
In fashion, International Klein Blue can be a statement color for clothing or accessories. A dress or handbag in this hue can add a bold and stylish touch to an outfit. Pair it with neutral colors like black, white, or gray to balance the intensity of the blue. Consider using it in accessories like scarves or jewelry to add a pop of color without overwhelming the entire look.