Black Rock

#150430

General Information about #150430

The hexadecimal color code #150430 represents a very dark shade of purple-blue. In the RGB color model, it is composed of 8.24% red, 1.57% green, and 18.82% blue. When represented in the CMYK color model, it consists of 56.27% cyan, 91.67% magenta, 0% yellow, and 81.18% black. This combination indicates that #150430 is a highly saturated dark color. Perceptually, this color is often associated with feelings of mystery, depth, and sophistication. Due to its low luminance value, it is generally used as a background or accent color, requiring light-colored text or elements to ensure sufficient contrast. This color is also known as Black Rock.

The color #150430, also known as Black Rock, presents significant accessibility challenges, primarily due to its extremely dark nature. When used as a background color, it necessitates very light text (ideally white or near-white) to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Black Rock likely falls short of these requirements with many color combinations, making it unsuitable for extensive blocks of text. Designers should utilize contrast checkers to verify compliance. Moreover, individuals with low vision may struggle to differentiate elements against a Black Rock background. Therefore, this color should be used sparingly, perhaps for decorative purposes or as an accent color, rather than for critical information or interactive elements. Providing alternative high-contrast themes is strongly advisable to cater to a wider range of users and accessibility needs.

Shades

Digital Color Formats

RGB
21 4 48
RGB21 4 48
Red
Green
Blue
HSL
263.18deg 84.62% 10.2%
263.1884.6210.2HSL
Hue
Saturation
Lightness
HWB
263.18deg 1.57% 81.18%
263.181.5781.18HWB
Hue
Whiteness
Blackness
hex#150430
rgb21 4 48
hsl263.18deg 84.62% 10.2%
cmyk56.25% 91.67% 0% 81.18%
hwb263.18deg 1.57% 81.18%
xyz-d650.01 0 0.03
oklch0.1764 0.0824 294.85
oklab0.1764 0.03 -0.07
CMYK
56.25% 91.67% 0% 81.18%
56.2591.67081.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1764 0.0824 294.85
0.17640.0824294.85LCH
Lightness
Chroma
Hue
OKLAB
0.1764 0.03 -0.07
0.17640.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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