International Klein Blue

#071FAA

About International Klein Blue

International Klein Blue (IKB), with the hexadecimal color code #071FAA, is a deep shade of blue renowned for its captivating intensity. Developed by the French artist Yves Klein in collaboration with a Parisian paint dealer, this ultramarine pigment achieved official registration in 1957. Klein sought to create a blue that possessed the greatest possible impact, freeing the color from its traditional associations. IKB is notable for its matte finish, enhancing the perception of depth and purity. It has become synonymous with Klein's artistic explorations, reflecting his pursuit of boundless space and spiritual resonance. This unique blue continues to inspire artists and designers across various disciplines, retaining its iconic status in the world of color and art history. The color is also known for being highly saturated, making it stand out among other shades of blue. Its distinctive visual appeal has cemented its place in art and design.

The hex color #071faa, also known as International Klein Blue, presents several accessibility considerations for web developers. Due to its deep saturation and low luminance, it offers poor contrast against light backgrounds, potentially failing WCAG (Web Content Accessibility Guidelines) standards for text readability. When used as a text color, ensure a sufficiently light background is used to meet a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Conversely, when employed as a background color, opt for light-colored text to ensure adequate contrast. Furthermore, avoid relying solely on color to convey information, as users with color vision deficiencies might struggle to differentiate it from similar hues. Provide alternative visual cues such as text labels, icons, or patterns to enhance usability for all users. Careful consideration of color combinations and comprehensive accessibility testing are crucial when incorporating this vibrant color into web designs to create an inclusive user experience. Use accessibility evaluation tools to verify that the color combination meets the required contrast ratios, and always test the design with users with different visual abilities.

Shades

Digital Color Formats

RGB
7 31 170
RGB7 31 170
Red
Green
Blue
HSL
231.17deg 92.09% 34.71%
231.1792.0934.71HSL
Hue
Saturation
Lightness
HWB
231.17deg 2.75% 33.33%
231.172.7533.33HWB
Hue
Whiteness
Blackness
hex#071FAA
rgb7 31 170
hsl231.17deg 92.09% 34.71%
cmyk95.88% 81.76% 0% 33.33%
hwb231.17deg 2.75% 33.33%
xyz-d650.08 0.04 0.38
oklch0.36 0.2133 265.09
oklab0.36 -0.02 -0.21
CMYK
95.88% 81.76% 0% 33.33%
95.8881.76033.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.04 0.38
0.080.040.38XYZ
X
Y
Z
OKLCH
0.36 0.2133 265.09
0.360.2133265.09LCH
Lightness
Chroma
Hue
OKLAB
0.36 -0.02 -0.21
0.36-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons