International Klein Blue

#0518AF

About International Klein Blue

International Klein Blue, represented by the hex code #0518af, is a deep, intense shade of blue known for its captivating and immersive quality. Developed by the French artist Yves Klein, this color was specifically formulated to evoke feelings of boundless space and atmospheric depth. It achieves its remarkable saturation through the addition of a synthetic resin binder, which suspends the pigment and retains its brilliance. The color is not just a hue; it's a cultural icon, representing artistic innovation and visual intensity. Its unique character makes it a favorite among artists, designers, and anyone seeking a bold and impactful color statement. The color's creation and artistic significance make it a significant part of 20th-century art history.

The hex color #0518af, also known as International Klein Blue, presents several accessibility considerations for web developers. Its extremely dark hue results in a very low luminance value. Therefore, it is crucial to use this color with very light text colors like white (#ffffff) or very light shades of yellow to ensure sufficient contrast. Using darker text colors would make the content illegible for users with visual impairments, violating WCAG (Web Content Accessibility Guidelines) standards. To comply with accessibility standards, a contrast ratio of at least 4.5:1 between the text and background is recommended for normal text, and 3:1 for large text. Tools are available online to calculate the contrast ratio between two colors, ensuring the chosen combination is accessible. When used for interactive elements such as buttons or links, ensure sufficient visual cues beyond color alone are provided to assist users who are colorblind. For instance, adding an underline to links or using icons alongside text on buttons can enhance usability and accessibility.

Shades

Digital Color Formats

RGB
5 24 175
RGB5 24 175
Red
Green
Blue
HSL
233.29 94.44% 35.29%
233.2994.4435.29HSL
Hue
Saturation
Lightness
HWB
233.29 1.96% 31.37%
233.291.9631.37HWB
Hue
Whiteness
Blackness
hex#0518AF
rgb5 24 175
hsl233.29 94.44% 35.29%
cmyk97.14% 86.29% 0% 31.37%
hwb233.29 1.96% 31.37%
xyz8.13 3.78 40.86
CMYK
97.14% 86.29% 0% 31.37%
97.1486.29031.37CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.13 3.78 40.86
8.133.7840.86XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

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