International Klein Blue

#052BAF

About International Klein Blue

International Klein Blue, represented by the hexadecimal color code #052BAF, is a deep, ultramarine blue hue known for its intense and captivating appearance. Developed by the French artist Yves Klein, this color was specifically created to embody his artistic vision of the infinite and immaterial. The color is achieved through a specific formulation involving a synthetic ultramarine pigment suspended in a clear synthetic resin, which maintains the color's brilliance and depth. It's a distinct shade of blue, sitting between royal blue and a very dark sapphire, making it visually striking and memorable. The color's unique qualities have led to its use in various artistic and design applications, where it is often chosen to evoke feelings of depth, serenity, and the sublime. Its intense saturation and distinct hue makes it a standout choice for designers and artists alike.

The hex color #052BAF, also known as International Klein Blue, presents some accessibility challenges for web developers. Due to its deep, saturated hue and low lightness value, it can be difficult to achieve sufficient contrast with lighter text or interface elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text against its background. When using #052BAF, careful consideration should be given to the color of the text placed on top of it. Light text colors like white or very light shades of yellow may provide adequate contrast. It's crucial to test the color combination using accessibility tools to ensure compliance with WCAG standards and provide an inclusive experience for users with visual impairments. Developers might consider using this color sparingly, perhaps for decorative elements or accents, rather than for large blocks of text or interactive components. Providing alternative color themes or user-adjustable color settings can also improve accessibility.

Shades

Digital Color Formats

RGB
5 43 175
RGB5 43 175
Red
Green
Blue
HSL
226.59deg 94.44% 35.29%
226.5994.4435.29HSL
Hue
Saturation
Lightness
HWB
226.59deg 1.96% 31.37%
226.591.9631.37HWB
Hue
Whiteness
Blackness
hex#052BAF
rgb5 43 175
hsl226.59deg 94.44% 35.29%
cmyk97.14% 75.43% 0% 31.37%
hwb226.59deg 1.96% 31.37%
xyz-d650.09 0.05 0.41
oklch0.3821 0.2086 264.32
oklab0.3821 -0.02 -0.21
CMYK
97.14% 75.43% 0% 31.37%
97.1475.43031.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.05 0.41
0.090.050.41XYZ
X
Y
Z
OKLCH
0.3821 0.2086 264.32
0.38210.2086264.32LCH
Lightness
Chroma
Hue
OKLAB
0.3821 -0.02 -0.21
0.3821-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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