International Klein Blue

#0214B2

About International Klein Blue

International Klein Blue, often abbreviated as IKB, is a deep blue hue first mixed by the French artist Yves Klein. Its specificity comes from Klein's desire to register the color as his own creation. Chemically, IKB is a matte version of ultramarine, created by suspending pure ultramarine pigment in a clear synthetic resin. This color became renowned for its intense vibrancy and perceived depth. Klein used IKB extensively in his art, particularly in his monochrome paintings and sculptures. He believed the color captured the essence of pure space and infinite possibility. The registration of IKB was filed in 1957, granting Klein sole rights to its use, which cemented its place in art history.

The hex color #0214B2, also known as International Klein Blue, presents significant accessibility challenges. Its dark hue results in very low contrast against light backgrounds, which can make text and interface elements difficult to read for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. This color likely fails to meet these standards when paired with common background colors like white or light gray. To improve accessibility, consider using a lighter tint of this blue or pairing it with a much lighter color to achieve sufficient contrast. Tools like contrast checkers can help verify compliance with accessibility standards. Furthermore, avoid relying solely on color to convey important information, as colorblind users may not be able to perceive the distinction.

Shades

Digital Color Formats

RGB
2 20 178
RGB2 20 178
Red
Green
Blue
HSL
233.86 97.78% 35.29%
233.8697.7835.29HSL
Hue
Saturation
Lightness
HWB
233.86 0.78% 30.2%
233.860.7830.2HWB
Hue
Whiteness
Blackness
hex#0214B2
rgb2 20 178
hsl233.86 97.78% 35.29%
cmyk98.88% 88.76% 0% 30.2%
hwb233.86 0.78% 30.2%
xyz8.31 3.73 42.4
CMYK
98.88% 88.76% 0% 30.2%
98.8888.76030.2CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.31 3.73 42.4
8.313.7342.4XYZ
X
Y
Z

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