International Klein Blue

#0526A7

About International Klein Blue

International Klein Blue, represented by the hex code #0526A7, is a deep, vivid blue hue celebrated for its intensity and captivating presence. Developed by the French artist Yves Klein, this color was specifically created to embody the artist's vision of boundless space and immateriality. Chemically, the color is achieved through a unique formulation that enhances the ultramarine pigment, resulting in an extraordinary depth and purity. In color theory, it sits distinctly within the blue spectrum, evoking feelings of tranquility, depth, and inspiration. Its unique properties and cultural significance have made it a favored choice in art, design, and fashion, where it adds an element of sophistication and visual impact. The colour is often associated with creativity, infinity, and the sea.

The hex color #0526A7, also known as International Klein Blue, presents significant accessibility challenges, particularly for users with visual impairments. Its very dark hue results in low contrast against lighter backgrounds, making text or graphical elements difficult to discern. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. To improve accessibility, it is highly recommended to pair this color with very light shades, such as white (#FFFFFF) or very pale yellow (#FFFFE0), to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Alternatively, using this color sparingly for decorative elements rather than essential information can mitigate potential accessibility issues. Tools like contrast checkers can help evaluate and adjust color combinations to meet accessibility standards, ensuring a more inclusive user experience for all users. This color should not be used for important UI elements without carefull consideration of the contrast.

Shades

Digital Color Formats

RGB
5 38 167
RGB5 38 167
Red
Green
Blue
HSL
227.78deg 94.19% 33.73%
227.7894.1933.73HSL
Hue
Saturation
Lightness
HWB
227.78deg 1.96% 34.51%
227.781.9634.51HWB
Hue
Whiteness
Blackness
hex#0526A7
rgb5 38 167
hsl227.78deg 94.19% 33.73%
cmyk97.01% 77.25% 0% 34.51%
hwb227.78deg 1.96% 34.51%
xyz-d650.08 0.04 0.37
oklch0.3653 0.2039 264.53
oklab0.3653 -0.02 -0.2
CMYK
97.01% 77.25% 0% 34.51%
97.0177.25034.51CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.04 0.37
0.080.040.37XYZ
X
Y
Z
OKLCH
0.3653 0.2039 264.53
0.36530.2039264.53LCH
Lightness
Chroma
Hue
OKLAB
0.3653 -0.02 -0.2
0.3653-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons