International Klein Blue

#0336B1

About International Klein Blue

International Klein Blue (IKB), represented by the hex code #0336B1, is a deep blue hue renowned for its intensity and unique matte finish. It was developed by the French artist Yves Klein in collaboration with a Parisian paint dealer, Edouard Adam, in 1956. Klein sought to create a blue that captured the essence of the sky and the infinite. The color was synthetically created and registered as a trademark by Klein. IKB achieves its striking appearance through a specific binder, which allows the pigment to retain its brilliance and depth. It has become an iconic color in the art world and continues to inspire artists, designers, and architects. Its vibrant and captivating nature evokes feelings of serenity, contemplation, and awe, making it a timeless and influential color choice.

The hex color #0336B1, also known as International Klein Blue, presents several accessibility considerations for web developers. Its dark hue results in a high contrast ratio against lighter backgrounds, making it suitable for text and interactive elements. However, when using this color, ensure sufficient contrast (at least 4.5:1 for normal text and 3:1 for large text) according to WCAG guidelines to cater to users with visual impairments. Avoid pairing it with very dark colors, as this would reduce readability. Providing alternative styling options, such as a high-contrast mode, can further enhance accessibility. Using this color for decorative elements should be carefully considered to avoid distracting or confusing users. Colorblindness simulators can help evaluate color combinations to ensure inclusivity. It's imperative to consider the context of use and the target audience to provide an accessible and user-friendly experience.

Shades

Digital Color Formats

RGB
3 54 177
RGB3 54 177
Red
Green
Blue
HSL
222.41deg 96.67% 35.29%
222.4196.6735.29HSL
Hue
Saturation
Lightness
HWB
222.41deg 1.18% 30.59%
222.411.1830.59HWB
Hue
Whiteness
Blackness
hex#0336B1
rgb3 54 177
hsl222.41deg 96.67% 35.29%
cmyk98.31% 69.49% 0% 30.59%
hwb222.41deg 1.18% 30.59%
xyz-d650.09 0.06 0.42
oklch0.4019 0.1997 263.22
oklab0.4019 -0.02 -0.2
CMYK
98.31% 69.49% 0% 30.59%
98.3169.49030.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.42
0.090.060.42XYZ
X
Y
Z
OKLCH
0.4019 0.1997 263.22
0.40190.1997263.22LCH
Lightness
Chroma
Hue
OKLAB
0.4019 -0.02 -0.2
0.4019-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons