Black Rock

#100331

General Information about Black Rock (#100331)

The hexadecimal color code #100331, also known as Black Rock, is a very dark shade of blue-purple. It is composed of 6.27% red, 1.18% green, and 19.22% blue. In the RGB color model, this translates to 16 red, 3 green, and 49 blue. The CMYK representation is 67% cyan, 94% magenta, 0% yellow, and 81% black. This color is often associated with depth, mystery, and sophistication. It is frequently used in designs where a sense of elegance and grounding is desired. Due to its low luminance, it is crucial to consider contrast ratios when using this color for text or user interface elements to ensure readability and accessibility.

The color #100331, also known as Black Rock, presents significant accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates extremely light text colors to meet WCAG (Web Content Accessibility Guidelines) standards for readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text to ensure usability for individuals with visual impairments. Given its very dark nature, careful consideration must be given to foreground elements. Avoid pairing it with other dark colors or using it for large blocks of text. Utilizing color contrast checkers during the design process is essential to ensure compliance and optimal user experience. Furthermore, consider providing alternative color schemes to cater to users with specific visual needs or preferences.

Shades

Digital Color Formats

RGB
16 3 49
RGB16 3 49
Red
Green
Blue
HSL
256.96deg 88.46% 10.2%
256.9688.4610.2HSL
Hue
Saturation
Lightness
HWB
256.96deg 1.18% 80.78%
256.961.1880.78HWB
Hue
Whiteness
Blackness
hex#100331
rgb16 3 49
hsl256.96deg 88.46% 10.2%
cmyk67.35% 93.88% 0% 80.78%
hwb256.96deg 1.18% 80.78%
xyz-d650.01 0 0.03
oklch0.1687 0.0856 287.66
oklab0.1687 0.03 -0.08
CMYK
67.35% 93.88% 0% 80.78%
67.3593.88080.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1687 0.0856 287.66
0.16870.0856287.66LCH
Lightness
Chroma
Hue
OKLAB
0.1687 0.03 -0.08
0.16870.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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