International Klein Blue

#0332B1

About International Klein Blue

International Klein Blue, often abbreviated as IKB, is a deep blue hue first mixed by the French artist Yves Klein. Klein patented this color in 1957. What sets IKB apart is its ultramarine pigment, which is combined with a synthetic resin binder that allows the pigment to retain its pure, vibrant quality. The effect is a color that appears almost otherworldly, possessing a matte finish that enhances its intensity. IKB is renowned for its captivating depth and its ability to evoke a sense of the infinite. Yves Klein used IKB extensively in his monochrome paintings and sculptures, seeking to create a pure expression of color that transcends representation. The color has since become an iconic symbol of modern art and continues to inspire artists and designers around the globe.

The hex color #0332B1, also known as International Klein Blue, presents certain accessibility challenges, particularly in web design. Its very dark hue results in low contrast when paired with similarly dark colors, potentially making text or interface elements difficult to read for users, especially those with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for readability. To ensure accessibility, #0332B1 should ideally be used with light backgrounds like white (#FFFFFF) or very light shades of yellow or grey. When using #0332B1 for text, consider increasing the font size and weight to improve readability. Also, avoid using this color for critical interactive elements without a clear visual indicator besides color. Providing alternative text and visual cues enhances the user experience for everyone, including individuals with color blindness. Testing the color scheme with accessibility tools is highly recommended to verify compliance with accessibility standards.

Shades

Digital Color Formats

RGB
3 50 177
RGB3 50 177
Red
Green
Blue
HSL
223.79deg 96.67% 35.29%
223.7996.6735.29HSL
Hue
Saturation
Lightness
HWB
223.79deg 1.18% 30.59%
223.791.1830.59HWB
Hue
Whiteness
Blackness
hex#0332B1
rgb3 50 177
hsl223.79deg 96.67% 35.29%
cmyk98.31% 71.75% 0% 30.59%
hwb223.79deg 1.18% 30.59%
xyz-d650.09 0.05 0.42
oklch0.3951 0.204 263.61
oklab0.3951 -0.02 -0.2
CMYK
98.31% 71.75% 0% 30.59%
98.3171.75030.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.05 0.42
0.090.050.42XYZ
X
Y
Z
OKLCH
0.3951 0.204 263.61
0.39510.204263.61LCH
Lightness
Chroma
Hue
OKLAB
0.3951 -0.02 -0.2
0.3951-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons