Black Rock

#180331

General Information about #180331

The hexadecimal color code #180331, also known as Black Rock, represents a very dark shade of purple in the RGB color model. It is composed of 9.41% red, 1.18% green, and 19.22% blue. In the CMYK color model, it consists of 51.09% cyan, 93.83% magenta, 0% yellow, and 80.78% black. This color is often associated with sophistication, mystery, and depth. Due to its dark nature, it is typically used as an accent color or background color in designs where a subtle yet elegant touch is desired. When using this color, it is essential to ensure adequate contrast with other elements to maintain readability and visual appeal. Black Rock can evoke feelings of tranquility and introspection.

The hex color #180331, also known as Black Rock, presents significant accessibility challenges due to its very dark nature. When used as a background color, it requires extremely light text to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Using standard dark text on a #180331 background would fail these guidelines, potentially causing visual strain and making content inaccessible to users with visual impairments. To improve accessibility, consider using lighter shades of gray, white, or vibrant contrasting colors for text. Tools like contrast checkers can help verify compliance with accessibility standards. Ensure interactive elements such as links and buttons have clear visual cues to distinguish them from surrounding text.

Shades

Digital Color Formats

RGB
24 3 49
RGB24 3 49
Red
Green
Blue
HSL
267.39deg 88.46% 10.2%
267.3988.4610.2HSL
Hue
Saturation
Lightness
HWB
267.39deg 1.18% 80.78%
267.391.1880.78HWB
Hue
Whiteness
Blackness
hex#180331
rgb24 3 49
hsl267.39deg 88.46% 10.2%
cmyk51.02% 93.88% 0% 80.78%
hwb267.39deg 1.18% 80.78%
xyz-d650.01 0 0.03
oklch0.1798 0.086 298.89
oklab0.1798 0.04 -0.08
CMYK
51.02% 93.88% 0% 80.78%
51.0293.88080.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1798 0.086 298.89
0.17980.086298.89LCH
Lightness
Chroma
Hue
OKLAB
0.1798 0.04 -0.08
0.17980.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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