International Klein Blue

#011AB3

About International Klein Blue

International Klein Blue, represented by the hexadecimal color code #011AB3, is a deep and highly saturated shade of blue. It is named after the French artist Yves Klein, who patented the color in 1957. Klein sought to create a blue that captured the purest expression of the color itself, aiming for a sense of limitless space and spirituality. Chemically, IKB is a matte ultramarine pigment that is suspended in a synthetic resin binder, which allows the pigment to retain its brilliance and intensity. This particular hue is often associated with concepts of depth, infinity, and the sublime, making it a popular choice in artistic and design applications where a sense of profoundness is desired. The color is known for its unique ability to evoke strong emotional responses and its association with creativity and innovation.

The hex color #011AB3, representing International Klein Blue, presents significant accessibility challenges, particularly in web design. Its extremely low luminance value means that text rendered in this color against a white or even light-colored background will likely fail WCAG (Web Content Accessibility Guidelines) contrast ratio requirements. These guidelines mandate specific contrast ratios between text and background colors to ensure readability for users with visual impairments. To mitigate these issues, it's crucial to pair #011AB3 with very light colors, such as whites or pale yellows, for text or interactive elements. Alternatively, using #011AB3 as a background color necessitates employing very light text colors to achieve sufficient contrast. Tools like contrast checkers can help verify compliance with accessibility standards and ensure content is usable by everyone. Careful consideration of color pairings is essential to avoid excluding users and maintain an inclusive design.

Shades

Digital Color Formats

RGB
1 26 179
RGB1 26 179
Red
Green
Blue
HSL
231.57 98.89% 35.29%
231.5798.8935.29HSL
Hue
Saturation
Lightness
HWB
231.57 0.39% 29.8%
231.570.3929.8HWB
Hue
Whiteness
Blackness
hex#011AB3
rgb1 26 179
hsl231.57 98.89% 35.29%
cmyk99.44% 85.47% 0% 29.8%
hwb231.57 0.39% 29.8%
xyz8.52 4 42.97
CMYK
99.44% 85.47% 0% 29.8%
99.4485.47029.8CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.52 4 42.97
8.52442.97XYZ
X
Y
Z

Alternative colors

Applications

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