International Klein Blue

#002CBE

About International Klein Blue

International Klein Blue, often abbreviated as IKB, is a deep blue hue first mixed by the French artist Yves Klein. Klein patented this color to maintain its unique character, which he intended to convey a sense of unbound space and the immateriality of art. Its richness and intensity come from its high saturation and relatively dark value, positioning it distinctly from lighter or pastel blues. The color's cultural significance is rooted in its association with Klein's artistic vision, aiming to evoke feelings of awe and serenity. It is used to add impact and is effective because of its pure and deep tone. It remains a distinctive and recognizable color in art, design, and fashion.

The color #002CBE, also known as International Klein Blue, presents significant accessibility challenges, especially in web design. Its dark hue results in very low contrast against light backgrounds, potentially violating WCAG (Web Content Accessibility Guidelines) standards. Text using this color on a white or light-colored background would likely be difficult for users with visual impairments to read. To improve accessibility, consider using a lighter tint of blue or pairing it with a very light color like white or a very light yellow. Testing with accessibility tools and seeking feedback from users with disabilities is crucial to ensure content is perceivable and usable by everyone. Providing sufficient contrast ensures that users can easily distinguish text and other essential elements, leading to a more inclusive and user-friendly experience. Also avoid using the color alone to convey important information.

Shades

Digital Color Formats

RGB
0 44 190
RGB0 44 190
Red
Green
Blue
HSL
226.11deg 100% 37.25%
226.1110037.25HSL
Hue
Saturation
Lightness
HWB
226.11deg 0% 25.49%
226.11025.49HWB
Hue
Whiteness
Blackness
hex#002CBE
rgb0 44 190
hsl226.11deg 100% 37.25%
cmyk100% 76.84% 0% 25.49%
hwb226.11deg 0% 25.49%
xyz-d650.1 0.06 0.49
oklch0.4 0.2258 263.89
oklab0.4 -0.02 -0.22
CMYK
100% 76.84% 0% 25.49%
10076.84025.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.1 0.06 0.49
0.10.060.49XYZ
X
Y
Z
OKLCH
0.4 0.2258 263.89
0.40.2258263.89LCH
Lightness
Chroma
Hue
OKLAB
0.4 -0.02 -0.22
0.4-0.02-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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