International Klein Blue

#052DAE

General Information

International Klein Blue, with the hex code #052DAE, is a deep, intense shade of blue known for its historical association with the French artist Yves Klein. Klein registered this color as a trademark in 1957, cementing its place in art history. Chemically, it's a matte ultramarine pigment, valued for its purity and intensity. In the RGB color model, #052DAE consists of 2.0% red, 17.6% green, and 68.2% blue. Its CMYK values are 97% cyan, 74% magenta, 0% yellow, and 32% black. The color evokes feelings of depth, spirituality, and the infinite, making it a popular choice in artistic and design contexts where a strong emotional impact is desired.

The hex color #052DAE, also known as International Klein Blue, presents significant accessibility challenges, particularly in web design. Its extremely dark hue results in very low contrast when paired with lighter colors, potentially making text or interactive elements difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are essential for ensuring readability. To improve accessibility, consider using #052DAE with very light colors, such as white (#FFFFFF) or a very pale yellow. Additionally, providing alternative text descriptions for images and using ARIA attributes can further enhance accessibility for users relying on assistive technologies. Always test color combinations with accessibility tools to verify compliance with accessibility standards and to ensure content is usable for everyone.

Shades

Digital Color Formats

RGB
5 45 174
RGB5 45 174
Red
Green
Blue
HSL
225.8deg 94.41% 35.1%
225.894.4135.1HSL
Hue
Saturation
Lightness
HWB
225.8deg 1.96% 31.76%
225.81.9631.76HWB
Hue
Whiteness
Blackness
hex#052DAE
rgb5 45 174
hsl225.8deg 94.41% 35.1%
cmyk97.13% 74.14% 0% 31.76%
hwb225.8deg 1.96% 31.76%
xyz-d650.09 0.05 0.41
oklch0.384 0.2054 264.17
oklab0.384 -0.02 -0.2
CMYK
97.13% 74.14% 0% 31.76%
97.1374.14031.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.05 0.41
0.090.050.41XYZ
X
Y
Z
OKLCH
0.384 0.2054 264.17
0.3840.2054264.17LCH
Lightness
Chroma
Hue
OKLAB
0.384 -0.02 -0.2
0.384-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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