International Klein Blue

#0727AD

About International Klein Blue

International Klein Blue (IKB), represented by the hexadecimal color code #0727AD, is a deep blue hue renowned for its intensity and impact. It was specifically developed by the French artist Yves Klein in collaboration with a Parisian paint dealer, Edouard Adam, to capture and express the artist's vision of the boundless and immaterial. The color's unique matte finish further enhances its visual impact, making it appear almost velvety and absorbing light rather than reflecting it. Klein famously used IKB in his monochrome paintings, sculptures, and performances, aiming to evoke a sense of spirituality and transcendence. Today, IKB remains a significant color in the art world, design, and fashion, often associated with creativity, innovation, and a sense of the avant-garde. Its strong presence and evocative nature make it a versatile choice for various applications, requiring careful consideration of its context and intended effect.

The hex color #0727ad, also known as International Klein Blue, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance value necessitates careful consideration of color contrast. When used as a background color, it requires text and interactive elements to have a very light color (approaching white) to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text (14pt bold or 18pt regular). Failure to meet these contrast requirements can render content illegible or difficult to perceive for users with low vision or color blindness. Using color contrast checkers can help determine if the contrast ratios are adequate. It is also crucial to avoid using this color as the sole indicator of important information, as color-blind users may not be able to distinguish it from other colors. Consider providing alternative visual cues, such as labels, icons, or patterns, to ensure that all users can access and understand the content. Keyboard focus indicators must also be highly visible when using this color for interactive elements.

Shades

Digital Color Formats

RGB
7 39 173
RGB7 39 173
Red
Green
Blue
HSL
228.43 92.22% 35.29%
228.4392.2235.29HSL
Hue
Saturation
Lightness
HWB
228.43 2.75% 32.16%
228.432.7532.16HWB
Hue
Whiteness
Blackness
hex#0727AD
rgb7 39 173
hsl228.43 92.22% 35.29%
cmyk95.95% 77.46% 0% 32.16%
hwb228.43 2.75% 32.16%
xyz8.36 4.51 39.97
CMYK
95.95% 77.46% 0% 32.16%
95.9577.46032.16CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.36 4.51 39.97
8.364.5139.97XYZ
X
Y
Z

Alternative colors

Applications

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