International Klein Blue

#021DB2

About International Klein Blue

International Klein Blue (IKB), also known as #021DB2, is a deep blue hue first mixed by the French artist Yves Klein. Klein registered this color as a trademark. IKB's visual impact comes from its heavy reliance on ultramarine pigment, as well as Klein's artistic vision. The color is known for its intensity and purity, setting it apart from other blues. IKB has found use in many creative fields due to its captivating qualities, and also has an interesting history and an established place in colour and design theory. IKB is known to be used in the arts, and also in design, fashion, and even scientific research. It is an ultramarine pigment.

The color #021DB2, a deep blue, presents significant accessibility challenges. Its low luminance contrasts poorly with both white and black text, making it difficult for users with visual impairments to read. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color is unlikely to meet these standards when paired with typical background colors. To improve accessibility, consider using lighter shades of blue or pairing it with high-contrast colors like white or yellow for graphical elements only. Ensure text using this color has a sufficient contrast ratio. Providing alternative color schemes will significantly benefit users with color blindness or other visual impairments. Testing with accessibility tools is crucial.

Shades

Digital Color Formats

RGB
2 29 178
RGB2 29 178
Red
Green
Blue
HSL
230.8 97.78% 35.29%
230.897.7835.29HSL
Hue
Saturation
Lightness
HWB
230.8 0.78% 30.2%
230.80.7830.2HWB
Hue
Whiteness
Blackness
hex#021DB2
rgb2 29 178
hsl230.8 97.78% 35.29%
cmyk98.88% 83.71% 0% 30.2%
hwb230.8 0.78% 30.2%
xyz8.5 4.11 42.46
CMYK
98.88% 83.71% 0% 30.2%
98.8883.71030.2CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.5 4.11 42.46
8.54.1142.46XYZ
X
Y
Z

Alternative colors

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