International Klein Blue

#0639AE

About International Klein Blue

International Klein Blue, also known as IKB, is a deep blue hue first synthesized by the French artist Yves Klein. It is renowned for its remarkable intensity and vibrancy, achieved by suspending pure color pigment in a synthetic resin. Klein patented the process in 1957. The color's distinctive matte finish contributes to its perceived depth, making it visually striking and memorable. IKB is more than just a color; it's a cultural symbol that represents artistic innovation and bold expression. The human eye is very sensitive to blue colors, which makes it stand out. It often evokes feelings of calmness, depth, and stability. This makes it a popular choice in various creative fields, from art and design to fashion and branding. The color's unique history and visual properties make it a fascinating subject of study and appreciation.

International Klein Blue, represented by the hex code #0639AE, presents distinct accessibility challenges. Its dark hue necessitates careful consideration of text and background color contrast to ensure readability. Adhering to WCAG guidelines is crucial; a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text against light backgrounds is recommended. Insufficient contrast can exclude users with low vision or color deficiencies. Additionally, avoid using this color as the sole indicator of interactive elements, as colorblind users may miss it. Supplement with text labels, icons, or other visual cues. Thorough testing with accessibility tools and diverse user groups is vital to ensure an inclusive user experience. Providing alternative color schemes further enhances accessibility for individuals with specific visual needs or preferences. Remember to design for inclusivity by using sufficient contrast ratios for text and interactive elements.

Shades

Digital Color Formats

RGB
6 57 174
RGB6 57 174
Red
Green
Blue
HSL
221.79deg 93.33% 35.29%
221.7993.3335.29HSL
Hue
Saturation
Lightness
HWB
221.79deg 2.35% 31.76%
221.792.3531.76HWB
Hue
Whiteness
Blackness
hex#0639AE
rgb6 57 174
hsl221.79deg 93.33% 35.29%
cmyk96.55% 67.24% 0% 31.76%
hwb221.79deg 2.35% 31.76%
xyz-d650.09 0.06 0.41
oklch0.4046 0.1921 263.07
oklab0.4046 -0.02 -0.19
CMYK
96.55% 67.24% 0% 31.76%
96.5567.24031.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.41
0.090.060.41XYZ
X
Y
Z
OKLCH
0.4046 0.1921 263.07
0.40460.1921263.07LCH
Lightness
Chroma
Hue
OKLAB
0.4046 -0.02 -0.19
0.4046-0.02-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons