International Klein Blue

#0026AF

About International Klein Blue

International Klein Blue, often abbreviated as IKB, is a deep blue hue first mixed by the French artist Yves Klein. This specific shade of blue was developed as part of Klein's artistic exploration of pure color and its ability to evoke emotion and spiritual depth. He aimed to create a color that was as pure and intense as possible, free from any distracting visual elements. The color was officially patented by Klein in 1957. Its unique matte finish enhances the intensity of the pigment, making it stand out distinctly from other blues. Today, IKB remains a significant color in art, design, and fashion, symbolizing creativity, innovation, and a connection to the intangible aspects of human experience. Its widespread use attests to the lasting impact of Klein's vision and his contribution to the world of color theory.

International Klein Blue (#0026AF) exhibits moderate contrast against white backgrounds, making it reasonably accessible for users with typical vision. However, when paired with lighter shades or colors of similar luminance, the contrast ratio might fall below WCAG guidelines for accessibility. For optimal readability, especially for users with visual impairments, it is recommended to use this color with darker backgrounds or to increase the text size and weight. Ensuring sufficient contrast is vital for conveying information effectively to all users, regardless of their visual abilities. Implementing contrast checking tools during the design phase can help identify and rectify potential accessibility issues, promoting a more inclusive user experience. Careful consideration of color pairings is crucial when incorporating International Klein Blue into web designs to meet accessibility standards and provide a positive experience for all.

Shades

Digital Color Formats

RGB
0 38 175
RGB0 38 175
Red
Green
Blue
HSL
226.97deg 100% 34.31%
226.9710034.31HSL
Hue
Saturation
Lightness
HWB
226.97deg 0% 31.37%
226.97031.37HWB
Hue
Whiteness
Blackness
hex#0026AF
rgb0 38 175
hsl226.97deg 100% 34.31%
cmyk100% 78.29% 0% 31.37%
hwb226.97deg 0% 31.37%
xyz-d650.08 0.04 0.41
oklch0.3739 0.2141 263.96
oklab0.3739 -0.02 -0.21
CMYK
100% 78.29% 0% 31.37%
10078.29031.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.04 0.41
0.080.040.41XYZ
X
Y
Z
OKLCH
0.3739 0.2141 263.96
0.37390.2141263.96LCH
Lightness
Chroma
Hue
OKLAB
0.3739 -0.02 -0.21
0.3739-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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