International Klein Blue

#0026CA

About International Klein Blue

International Klein Blue, often referred to as IKB, is a deep blue hue first mixed by the French artist Yves Klein. Klein worked with a chemist to develop this unique shade, ensuring that it retained its vibrancy and intensity when suspended in paint. It is known for its remarkable saturation and captivating depth. This color is achieved by using a matte, synthetic resin binder, which allows the pigment to maintain its brilliance. Yves Klein registered IKB as a trademark in 1957, solidifying its place in art history. Beyond its artistic significance, IKB has found applications in various fields, including design, fashion, and branding, where its striking presence is desired. It is considered to represent openness and endlessness.

The hex color #0026ca, also known as International Klein Blue, presents certain accessibility challenges. Its deep, saturated hue results in a low luminance value, which can cause issues for users with visual impairments. When using this color for text or interactive elements, it's crucial to ensure sufficient contrast with the background. A light background color is strongly recommended to meet WCAG (Web Content Accessibility Guidelines) contrast ratios. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is necessary to ensure readability. Additionally, avoid using #0026ca for critical information if color is the only means of conveying that information. Providing alternative cues, such as text labels or icons, can improve accessibility for users with color blindness. Proper consideration of these factors is essential for creating inclusive and user-friendly designs.

Shades

Digital Color Formats

RGB
0 38 202
RGB0 38 202
Red
Green
Blue
HSL
228.71deg 100% 39.61%
228.7110039.61HSL
Hue
Saturation
Lightness
HWB
228.71deg 0% 20.78%
228.71020.78HWB
Hue
Whiteness
Blackness
hex#0026CA
rgb0 38 202
hsl228.71deg 100% 39.61%
cmyk100% 81.19% 0% 20.78%
hwb228.71deg 0% 20.78%
xyz-d650.11 0.06 0.56
oklch0.4066 0.2444 264.14
oklab0.4066 -0.02 -0.24
CMYK
100% 81.19% 0% 20.78%
10081.19020.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.06 0.56
0.110.060.56XYZ
X
Y
Z
OKLCH
0.4066 0.2444 264.14
0.40660.2444264.14LCH
Lightness
Chroma
Hue
OKLAB
0.4066 -0.02 -0.24
0.4066-0.02-0.24LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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