Black Rock

#150029

General Information About #150029

The hex color code #150029 represents a very dark shade of purple, often described as Black Rock. It's composed of 8.24% red, 0% green, and 16.08% blue. In the RGB color model, it's equivalent to (21, 0, 41). This color falls within the purple-blue hue range. Colors like this create a sense of mystery and can be perceived as sophisticated or dramatic. Its low saturation and brightness values contribute to its deep, muted appearance. The color is not often used in web design because of accessibility issues with contrast. For design purposes the color can be brightened up to create different shades of purple.

The hex color #150029, also known as Black Rock, presents significant accessibility challenges due to its very low luminance. Its contrast ratio against white is extremely poor, making text or elements using this color difficult to read for individuals with visual impairments, including those with low vision or color blindness. To ensure accessibility, it's crucial to avoid using #150029 for text or interactive elements without a very light background color that provides sufficient contrast. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended by WCAG guidelines. Employing tools to check color contrast is essential during the design process to meet accessibility standards and create inclusive user experiences. Furthermore, providing alternative visual cues, such as icons or text labels, can enhance usability for all users.

Shades

Digital Color Formats

RGB
21 0 41
RGB21 0 41
Red
Green
Blue
HSL
270.73deg 100% 8.04%
270.731008.04HSL
Hue
Saturation
Lightness
HWB
270.73deg 0% 83.92%
270.73083.92HWB
Hue
Whiteness
Blackness
hex#150029
rgb21 0 41
hsl270.73deg 100% 8.04%
cmyk48.78% 100% 0% 83.92%
hwb270.73deg 0% 83.92%
xyz-d650.01 0 0.02
oklch0.1587 0.0833 303.21
oklab0.1587 0.05 -0.07
CMYK
48.78% 100% 0% 83.92%
48.78100083.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1587 0.0833 303.21
0.15870.0833303.21LCH
Lightness
Chroma
Hue
OKLAB
0.1587 0.05 -0.07
0.15870.05-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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