International Klein Blue

#0232B2

About International Klein Blue

International Klein Blue, with the hex code #0232B2, is a deep, vibrant shade of blue often associated with the artist Yves Klein, who registered the color in 1957. This intense ultramarine is achieved through a specific pigment formulation, creating a unique visual impact. In the RGB color model, #0232B2 is composed of 0.8% red, 19.6% green, and 69.8% blue. This composition gives it a strong blue presence with subdued hints of red and green. The color has a notable presence in art, design, and branding, where its intensity can convey creativity, innovation, and sophistication. It's a powerful and recognizable hue that stands out from more conventional shades of blue.

The hex color #0232B2, also known as International Klein Blue, presents some accessibility challenges, particularly for users with visual impairments. Its low lightness value (a measure of how dark or light the color appears) can result in insufficient contrast when paired with lighter text or background colors. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text. When using #0232B2, it is crucial to ensure adequate contrast by selecting appropriately light foreground colors like white or very light grays. Tools for contrast checking can help web developers assess and improve accessibility. Furthermore, avoid relying solely on color to convey essential information. Providing alternative cues like text labels or icons improves the experience for all users, including those with color blindness.

Shades

Digital Color Formats

RGB
2 50 178
RGB2 50 178
Red
Green
Blue
HSL
223.64deg 97.78% 35.29%
223.6497.7835.29HSL
Hue
Saturation
Lightness
HWB
223.64deg 0.78% 30.2%
223.640.7830.2HWB
Hue
Whiteness
Blackness
hex#0232B2
rgb2 50 178
hsl223.64deg 97.78% 35.29%
cmyk98.88% 71.91% 0% 30.2%
hwb223.64deg 0.78% 30.2%
xyz-d650.09 0.06 0.43
oklch0.396 0.2054 263.52
oklab0.396 -0.02 -0.2
CMYK
98.88% 71.91% 0% 30.2%
98.8871.91030.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.06 0.43
0.090.060.43XYZ
X
Y
Z
OKLCH
0.396 0.2054 263.52
0.3960.2054263.52LCH
Lightness
Chroma
Hue
OKLAB
0.396 -0.02 -0.2
0.396-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons