International Klein Blue

#0A38AA

About International Klein Blue

International Klein Blue (IKB), represented by the hex code #0A38AA, is a deep blue hue originally mixed by the French artist Yves Klein. Klein registered this color as a trademark, making it distinct. The color is known for its intense saturation and vividness, achieved through a specific mixture of ultramarine pigment suspended in a synthetic resin. This combination enhances the color's brilliance and depth, making it visually striking. IKB has become iconic in the art world, often associated with Klein's monochrome paintings and sculptures. Its unique properties make it a favorite for designers and artists seeking a visually arresting and memorable shade of blue.

The hex color #0A38AA, also known as International Klein Blue, presents several accessibility considerations for web developers. Its dark hue results in a high contrast ratio when paired with light text (e.g., white or very light grays), making it suitable for backgrounds or prominent design elements where readability is crucial. However, using it as a text color against a white background can pose challenges, potentially failing WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. Therefore, it's imperative to ensure sufficient contrast by selecting appropriate text colors. Additionally, consider providing alternative visual cues beyond color for users with color vision deficiencies. For instance, using underlines, bold text, or icons alongside color can enhance usability for all users. Thorough testing with accessibility evaluation tools is recommended to validate compliance with accessibility standards and ensure an inclusive user experience.

Shades

Digital Color Formats

RGB
10 56 170
RGB10 56 170
Red
Green
Blue
HSL
222.75deg 88.89% 35.29%
222.7588.8935.29HSL
Hue
Saturation
Lightness
HWB
222.75deg 3.92% 33.33%
222.753.9233.33HWB
Hue
Whiteness
Blackness
hex#0A38AA
rgb10 56 170
hsl222.75deg 88.89% 35.29%
cmyk94.12% 67.06% 0% 33.33%
hwb222.75deg 3.92% 33.33%
xyz-d650.09 0.06 0.39
oklch0.3994 0.1877 263.48
oklab0.3994 -0.02 -0.19
CMYK
94.12% 67.06% 0% 33.33%
94.1267.06033.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.39
0.090.060.39XYZ
X
Y
Z
OKLCH
0.3994 0.1877 263.48
0.39940.1877263.48LCH
Lightness
Chroma
Hue
OKLAB
0.3994 -0.02 -0.19
0.3994-0.02-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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