Black Rock

#150133

General Information about #150133

The hex color #150133, also known as Black Rock, is a very dark shade of purple that borders on black. In the RGB color model, it is composed of 8.24% red, 0.39% green, and 20% blue. The corresponding CMYK values are 59% cyan, 98% magenta, 0% yellow, and 80% black. This color is primarily associated with depth, mystery, and formality. Due to its low brightness, it's commonly used in designs where a subtle and understated aesthetic is desired. The hex code #150133 can be used in web design, graphic design, and other creative fields to evoke a sense of sophistication or to provide a dark background or accent. When using this color, it's crucial to consider its interaction with other colors to maintain visual balance and clarity, especially regarding accessibility.

The hex color #150133, often referred to as Black Rock, presents significant accessibility challenges, particularly in web design. Its extremely dark nature results in very low contrast against lighter backgrounds, which is essential for readability. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments, including those with low vision or color blindness. To ensure accessibility, using #150133 for text or interactive elements requires extremely light foreground colors to meet minimum contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Therefore, it's advisable to use online contrast checkers to verify compliance. Furthermore, relying solely on color to convey information is discouraged; supplementary cues like text labels or icons should be provided to ensure usability for all users. Careful consideration of these factors is vital when incorporating #150133 into any design to avoid creating barriers for individuals with disabilities.

Shades

Digital Color Formats

RGB
21 1 51
RGB21 1 51
Red
Green
Blue
HSL
264deg 96.15% 10.2%
26496.1510.2HSL
Hue
Saturation
Lightness
HWB
264deg 0.39% 80%
2640.3980HWB
Hue
Whiteness
Blackness
hex#150133
rgb21 1 51
hsl264deg 96.15% 10.2%
cmyk58.82% 98.04% 0% 80%
hwb264deg 0.39% 80%
xyz-d650.01 0 0.03
oklch0.1736 0.0921 294.36
oklab0.1736 0.04 -0.08
CMYK
58.82% 98.04% 0% 80%
58.8298.04080CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1736 0.0921 294.36
0.17360.0921294.36LCH
Lightness
Chroma
Hue
OKLAB
0.1736 0.04 -0.08
0.17360.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons