International Klein Blue

#111BB9

About Hex Color #111BB9

The hexadecimal color code #111BB9 represents a specific point in the color spectrum, often described as International Klein Blue. Hex color codes are a way to define colors numerically, with each two-digit segment representing the intensity of red, green, and blue (RGB) components, respectively. In #111BB9, '11' signifies a small amount of red, '1B' represents a slightly greater amount of green, and 'B9' indicates a considerable amount of blue, resulting in a deep, vivid blue hue. This color is often associated with depth, stability, and inspiration. Because of its intensity, it should be used with care to not overwhelm the visual field.

The hex color #111BB9, a deep and vibrant blue, presents some accessibility challenges, particularly in text applications. Its low luminance value of approximately 0.1 means that it needs to be paired with very light text colors like white or very pale yellows to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When used as a background, ensure foreground elements meet these contrast requirements. Also, avoid using this color as the sole indicator for interactive elements; supplement with labels, icons, or other visual cues to accommodate users with color vision deficiencies. Consider providing alternative color schemes to allow users to customize the display to suit their individual needs and preferences. Proper attention to contrast and redundant coding ensures that this striking color can be incorporated into designs in an inclusive and accessible manner.

Shades

Digital Color Formats

RGB
17 27 185
RGB17 27 185
Red
Green
Blue
HSL
236.43deg 83.17% 39.61%
236.4383.1739.61HSL
Hue
Saturation
Lightness
HWB
236.43deg 6.67% 27.45%
236.436.6727.45HWB
Hue
Whiteness
Blackness
hex#111BB9
rgb17 27 185
hsl236.43deg 83.17% 39.61%
cmyk90.81% 85.41% 0% 27.45%
hwb236.43deg 6.67% 27.45%
xyz-d650.09 0.04 0.46
oklch0.3768 0.2313 266.39
oklab0.3768 -0.01 -0.23
CMYK
90.81% 85.41% 0% 27.45%
90.8185.41027.45CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.04 0.46
0.090.040.46XYZ
X
Y
Z
OKLCH
0.3768 0.2313 266.39
0.37680.2313266.39LCH
Lightness
Chroma
Hue
OKLAB
0.3768 -0.01 -0.23
0.3768-0.01-0.23LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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