International Klein Blue

#0537AF

About International Klein Blue

International Klein Blue, represented by the hexadecimal code #0537AF, is a deep, vivid shade of blue known for its intensity and impact. It was developed by the French artist Yves Klein in collaboration with a pigment manufacturer. Klein sought to capture the purest expression of blue, believing it conveyed a sense of limitless space and spiritual depth. The color is not just a pigment; it's a registered trademark, reflecting its unique historical and artistic significance. In the RGB color model, #0537AF is composed of 0.3% red, 21.6% green, and 68.6% blue. It's a color that evokes feelings of tranquility, depth, and imagination. Its distinctive quality makes it popular in art, design, and fashion, where its strong visual presence creates a lasting impression.

The color #0537AF, a deep shade of blue also known as International Klein Blue, presents several accessibility considerations for web developers. Due to its low luminance, it requires careful contrast management to ensure readability for all users, especially those with visual impairments. When used as a background, it necessitates light-colored text, ideally white or a very pale yellow, to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. Conversely, if used as text, it should be paired with a very light background. Avoid using this color for small text or intricate details, as its darkness can make it difficult to discern. Furthermore, it's crucial to test the color combination with accessibility tools to ensure compliance and optimal user experience for individuals with various vision abilities. Proper implementation ensures inclusivity and avoids potential barriers to accessing information.

Shades

Digital Color Formats

RGB
5 55 175
RGB5 55 175
Red
Green
Blue
HSL
222.35deg 94.44% 35.29%
222.3594.4435.29HSL
Hue
Saturation
Lightness
HWB
222.35deg 1.96% 31.37%
222.351.9631.37HWB
Hue
Whiteness
Blackness
hex#0537AF
rgb5 55 175
hsl222.35deg 94.44% 35.29%
cmyk97.14% 68.57% 0% 31.37%
hwb222.35deg 1.96% 31.37%
xyz-d650.09 0.06 0.41
oklch0.4019 0.1958 263.26
oklab0.4019 -0.02 -0.19
CMYK
97.14% 68.57% 0% 31.37%
97.1468.57031.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.41
0.090.060.41XYZ
X
Y
Z
OKLCH
0.4019 0.1958 263.26
0.40190.1958263.26LCH
Lightness
Chroma
Hue
OKLAB
0.4019 -0.02 -0.19
0.4019-0.02-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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