International Klein Blue

#0830AC

About International Klein Blue

International Klein Blue, also known as IKB, is a deep blue hue first mixed by the French artist Yves Klein. IKB's visual impact comes from its heavy reliance on ultramarine, as well as Klein's matte, synthetic resin binder, which suspends the color pigment and allows the pigment to maintain as much of its original qualities as possible. The color's unique matte finish contributes significantly to its intense visual impact. Yves Klein registered this color as a trademark in 1957. The appeal of IKB lies in its purity and depth, evoking feelings of infinity and boundlessness. It has been used in numerous art installations and design projects, symbolizing the artist's vision of transcending the physical realm. The color remains a significant part of art history and continues to inspire contemporary artists and designers. The use of ultramarine pigment, derived from lapis lazuli, further enhances the color's richness and historical significance.

The hex color #0830AC, also known as International Klein Blue, presents some accessibility challenges, particularly in text-based applications. Its dark hue results in low contrast against standard white backgrounds, potentially hindering readability for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are crucial for ensuring content is accessible to everyone. To improve accessibility, consider pairing this color with lighter text colors such as white (#FFFFFF) or very light grays. Alternatively, use it as a background color with light-colored foreground elements. Tools for checking color contrast ratios can help determine if the combination meets accessibility standards. Remember to test the color combination with different font sizes and weights to ensure optimal readability across various devices and screen resolutions. In web design, you can use CSS to define both the text and background colors to ensure a good contrast ratio. Testing with assistive technologies like screen readers is also recommended to guarantee a positive user experience for all users, including those with disabilities.

Shades

Digital Color Formats

RGB
8 48 172
RGB8 48 172
Red
Green
Blue
HSL
225.37deg 91.11% 35.29%
225.3791.1135.29HSL
Hue
Saturation
Lightness
HWB
225.37deg 3.14% 32.55%
225.373.1432.55HWB
Hue
Whiteness
Blackness
hex#0830AC
rgb8 48 172
hsl225.37deg 91.11% 35.29%
cmyk95.35% 72.09% 0% 32.55%
hwb225.37deg 3.14% 32.55%
xyz-d650.09 0.05 0.4
oklch0.3872 0.1994 264.24
oklab0.3872 -0.02 -0.2
CMYK
95.35% 72.09% 0% 32.55%
95.3572.09032.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.05 0.4
0.090.050.4XYZ
X
Y
Z
OKLCH
0.3872 0.1994 264.24
0.38720.1994264.24LCH
Lightness
Chroma
Hue
OKLAB
0.3872 -0.02 -0.2
0.3872-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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