International Klein Blue

#032CB0

About International Klein Blue

International Klein Blue, often abbreviated as IKB, is a deep blue hue first mixed by the French artist Yves Klein. IKB's visual impact comes from its heavy reliance on ultramarine pigment, as well as Klein's artistic vision. The color was synthesized by adding a matte synthetic resin binder to pure ultramarine pigment, and the patent was filed in 1957. This particular shade of blue is renowned for its intensity and purity, evoking a sense of depth and boundlessness. It is not just a color; it’s a statement, a visual experience, and a testament to the intersection of art and chemistry. The color's unique matte finish enhances its intensity by eliminating the reflection of light, which can distract from the pigment's raw power. Its formulation ensures that the color remains vivid and untarnished, maintaining its aesthetic appeal over time.

The color #032CB0, a deep and intense blue, presents considerable accessibility challenges, especially for users with visual impairments. Its low luminance value requires careful consideration of contrast ratios, particularly when used for text or interactive elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text against its background. When pairing #032CB0 with lighter colors, achieving sufficient contrast may be straightforward, but when used with darker hues or complex backgrounds, careful adjustments are necessary. Insufficient contrast can render text unreadable and interactive elements difficult to identify, thereby excluding users with low vision. Additionally, consider users with color vision deficiencies; relying solely on color to convey information is not advisable. Providing supplementary cues, such as text labels or icons, alongside the color can improve accessibility for all users. Thoroughly testing color combinations with accessibility evaluation tools is crucial to ensure optimal usability.

Shades

Digital Color Formats

RGB
3 44 176
RGB3 44 176
Red
Green
Blue
HSL
225.78deg 96.65% 35.1%
225.7896.6535.1HSL
Hue
Saturation
Lightness
HWB
225.78deg 1.18% 30.98%
225.781.1830.98HWB
Hue
Whiteness
Blackness
hex#032CB0
rgb3 44 176
hsl225.78deg 96.65% 35.1%
cmyk98.3% 75% 0% 30.98%
hwb225.78deg 1.18% 30.98%
xyz-d650.09 0.05 0.42
oklch0.3844 0.2091 264.03
oklab0.3844 -0.02 -0.21
CMYK
98.3% 75% 0% 30.98%
98.375030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.05 0.42
0.090.050.42XYZ
X
Y
Z
OKLCH
0.3844 0.2091 264.03
0.38440.2091264.03LCH
Lightness
Chroma
Hue
OKLAB
0.3844 -0.02 -0.21
0.3844-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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