International Klein Blue

#0C3BA8

General Information about International Klein Blue

International Klein Blue (IKB), with the hex code #0C3BA8, is a deep blue hue first mixed by the French artist Yves Klein. Klein patented this color to maintain its unique character and impact within the art world. IKB achieves its visual intensity through its high saturation and distinct chromatic properties, standing out from other blue shades. The color is associated with depth, transcendence, and the boundless nature of the sky and sea. It has been widely adopted in various fields, including art, fashion, and design, to evoke feelings of creativity, innovation, and sophistication. Because of its striking presence, IKB is often used to draw attention and make a bold visual statement.

The hex color #0C3BA8, also known as International Klein Blue, presents some accessibility challenges due to its relatively low luminance. When used as a foreground color, it requires careful consideration of the background color to ensure sufficient contrast for readability, especially for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using a light background color, such as white (#FFFFFF) or a very light gray, can help achieve an acceptable contrast ratio. Alternatively, if #0C3BA8 is used as a background color, a light foreground color should be used. Tools like contrast checkers can be used to assess and verify the contrast ratio to meet accessibility standards, ensuring the content is perceivable and usable by everyone, including those with disabilities.

Shades

Digital Color Formats

RGB
12 59 168
RGB12 59 168
Red
Green
Blue
HSL
221.92deg 86.67% 35.29%
221.9286.6735.29HSL
Hue
Saturation
Lightness
HWB
221.92deg 4.71% 34.12%
221.924.7134.12HWB
Hue
Whiteness
Blackness
hex#0C3BA8
rgb12 59 168
hsl221.92deg 86.67% 35.29%
cmyk92.86% 64.88% 0% 34.12%
hwb221.92deg 4.71% 34.12%
xyz-d650.09 0.06 0.38
oklch0.4034 0.1813 263.16
oklab0.4034 -0.02 -0.18
CMYK
92.86% 64.88% 0% 34.12%
92.8664.88034.12CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.38
0.090.060.38XYZ
X
Y
Z
OKLCH
0.4034 0.1813 263.16
0.40340.1813263.16LCH
Lightness
Chroma
Hue
OKLAB
0.4034 -0.02 -0.18
0.4034-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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