Black Rock

#0D0133

General Information about #0D0133

The hex color code #0D0133, often referred to as Black Rock, is a very dark shade of blue-violet. It is composed of 5.1% red, 0.4% green, and 20% blue. In the RGB color model, #0D0133 consists of these proportions of red, green, and blue light. When converted to the CMYK color model, it has a high percentage of cyan, magenta, and yellow, with only a small amount of black. This color is typically perceived as somber, mysterious, and sophisticated. It's commonly used in designs where a sense of depth, seriousness, or luxury is desired. Due to its dark nature, it is essential to pair it with lighter colors to ensure readability and visual balance.

The color #0D0133, also known as Black Rock, presents significant accessibility challenges, particularly for users with visual impairments. Its extremely low luminance value (very dark) means that text rendered in this color requires very light foreground colors to achieve sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using #0D0133 for text or interactive elements without careful consideration of contrast can exclude users who have low vision or color deficiencies. When using this color, ensure a thorough contrast check with tools or manual calculations to meet accessibility standards. Also, avoid using color alone to convey important information; provide redundant cues like text labels or icons to ensure that all users can understand the content, regardless of their ability to perceive color differences.

Shades

Digital Color Formats

RGB
13 1 51
RGB13 1 51
Red
Green
Blue
HSL
254.4deg 96.15% 10.2%
254.496.1510.2HSL
Hue
Saturation
Lightness
HWB
254.4deg 0.39% 80%
254.40.3980HWB
Hue
Whiteness
Blackness
hex#0D0133
rgb13 1 51
hsl254.4deg 96.15% 10.2%
cmyk74.51% 98.04% 0% 80%
hwb254.4deg 0.39% 80%
xyz-d650.01 0 0.03
oklch0.163 0.0925 283.52
oklab0.163 0.02 -0.09
CMYK
74.51% 98.04% 0% 80%
74.5198.04080CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.163 0.0925 283.52
0.1630.0925283.52LCH
Lightness
Chroma
Hue
OKLAB
0.163 0.02 -0.09
0.1630.02-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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