International Klein Blue

#0A26AA

About International Klein Blue

International Klein Blue, often referred to as IKB, is a deep blue hue first mixed by the French artist Yves Klein. Its captivating intensity and velvety matte finish have made it a celebrated color in the art world. Klein patented this particular shade of blue in 1957, solidifying its place in art history. It is achieved using a synthetic ultramarine pigment, lending it a unique depth and luminosity. The color is often associated with freedom, infinity, and the immaterial, reflecting Klein's artistic explorations of space and spirituality. Its unique visual properties make it a potent symbol in diverse cultural contexts. It stands out from other blue shades thanks to its vibrancy and unique pigment.

The hex color #0A26AA, also known as International Klein Blue, presents some accessibility challenges due to its deep, saturated hue. When used as a background color, it requires careful consideration of text color to ensure sufficient contrast. White text generally works well, but it's crucial to test with various screen sizes and vision impairments. Avoid pairing it with other dark or similarly saturated colors, as this can reduce readability and cause visual strain. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to meet WCAG (Web Content Accessibility Guidelines) standards. Tools like WebAIM's Contrast Checker can be valuable for verifying contrast ratios and ensuring accessibility compliance. Providing alternative color schemes for users with visual impairments may further enhance usability.

Shades

Digital Color Formats

RGB
10 38 170
RGB10 38 170
Red
Green
Blue
HSL
229.5 88.89% 35.29%
229.588.8935.29HSL
Hue
Saturation
Lightness
HWB
229.5 3.92% 33.33%
229.53.9233.33HWB
Hue
Whiteness
Blackness
hex#0A26AA
rgb10 38 170
hsl229.5 88.89% 35.29%
cmyk94.12% 77.65% 0% 33.33%
hwb229.5 3.92% 33.33%
xyz8.07 4.35 38.44
CMYK
94.12% 77.65% 0% 33.33%
94.1277.65033.33CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.07 4.35 38.44
8.074.3538.44XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025