International Klein Blue

#0A36AA

About International Klein Blue

International Klein Blue, represented by the hex code #0a36aa, is a deep and vivid shade of blue that's highly saturated. This color was created by the French artist Yves Klein and patented in 1957. It's known for its intense and pure quality, achieved by suspending ultramarine pigment in a synthetic resin. Klein aimed to capture the essence of blue, seeing it as a color that represents the immaterial and infinite. The color has since been widely used in art, design, and even fashion, prized for its striking visual impact. In digital contexts, #0a36aa can be effective for drawing attention and conveying a sense of sophistication or creativity. However, it's important to use it judiciously, as its intensity can be overwhelming if overused.

The hex color #0a36aa, also known as International Klein Blue, presents both opportunities and challenges for accessibility in web design. Its high level of saturation and relatively dark hue mean that careful consideration must be given to contrast ratios. When used as a background color, it is crucial to pair it with text that is sufficiently light to ensure readability for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text, as per WCAG guidelines. Using tools to verify contrast ratios is essential. Additionally, avoid using this color as the sole indicator for interactive elements, as colorblind users may not be able to distinguish them. Supplement it with text labels, icons, or other visual cues to ensure inclusivity. When used for decorative purposes, its impact on accessibility is minimal, but always prioritize clear communication and usability.

Shades

Digital Color Formats

RGB
10 54 170
RGB10 54 170
Red
Green
Blue
HSL
223.5deg 88.89% 35.29%
223.588.8935.29HSL
Hue
Saturation
Lightness
HWB
223.5deg 3.92% 33.33%
223.53.9233.33HWB
Hue
Whiteness
Blackness
hex#0A36AA
rgb10 54 170
hsl223.5deg 88.89% 35.29%
cmyk94.12% 68.24% 0% 33.33%
hwb223.5deg 3.92% 33.33%
xyz-d650.09 0.06 0.39
oklch0.3958 0.19 263.75
oklab0.3958 -0.02 -0.19
CMYK
94.12% 68.24% 0% 33.33%
94.1268.24033.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.39
0.090.060.39XYZ
X
Y
Z
OKLCH
0.3958 0.19 263.75
0.39580.19263.75LCH
Lightness
Chroma
Hue
OKLAB
0.3958 -0.02 -0.19
0.3958-0.02-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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