International Klein Blue

#081CBB

About International Klein Blue

International Klein Blue, represented by the hexadecimal color code #081CBB, is a deep and intense shade of blue known for its unique visual impact. Developed by the French artist Yves Klein, this color was specifically formulated to evoke feelings of boundless space and pure emotion. Its distinctive quality stems from its ultramarine pigment, which has a high concentration of light-reflective particles. In the RGB color model, #081CBB consists of 3.14% red, 10.98% green, and 73.33% blue. The color is mostly used for artistic purposes, but is now also used for graphic design and web design. Its unique hue makes it stand out and instantly recognizable. The color has a strong association with Yves Klein and his artistic vision.

The hex color #081CBB, a deep shade of blue also known as International Klein Blue, presents several accessibility considerations for web developers. Due to its low luminance, using this color as a primary background requires careful attention to contrast ratios. Text rendered in white or very light shades on a background of #081CBB generally meets WCAG (Web Content Accessibility Guidelines) requirements for contrast, ensuring readability for users with visual impairments. However, lighter text of other colors might not provide sufficient contrast, potentially causing eye strain or making the content inaccessible. When using this color for interactive elements like buttons or links, developers should provide clear visual cues, such as hover effects or underlines, to indicate interactivity. Furthermore, relying solely on color to convey meaning is discouraged; supplementary indicators such as icons or text labels should accompany the color to ensure accessibility for users with color blindness.

Shades

Digital Color Formats

RGB
8 28 187
RGB8 28 187
Red
Green
Blue
HSL
233.3deg 91.79% 38.24%
233.391.7938.24HSL
Hue
Saturation
Lightness
HWB
233.3deg 3.14% 26.67%
233.33.1426.67HWB
Hue
Whiteness
Blackness
hex#081CBB
rgb8 28 187
hsl233.3deg 91.79% 38.24%
cmyk95.72% 85.03% 0% 26.67%
hwb233.3deg 3.14% 26.67%
xyz-d650.09 0.04 0.47
oklch0.3783 0.2343 265.15
oklab0.3783 -0.02 -0.23
CMYK
95.72% 85.03% 0% 26.67%
95.7285.03026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.04 0.47
0.090.040.47XYZ
X
Y
Z
OKLCH
0.3783 0.2343 265.15
0.37830.2343265.15LCH
Lightness
Chroma
Hue
OKLAB
0.3783 -0.02 -0.23
0.3783-0.02-0.23LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons