Black Rock

#010733

General Information about Black Rock

The hex color #010733, also known as Black Rock, is a very dark shade of blue-black. In the RGB color model, it is composed of 0.4% red, 2.7% green, and 20% blue. This composition results in a color that is perceived as deep, muted, and somewhat mysterious. Due to its high blue content and very low red and green content, it leans towards the cooler side of the color spectrum. Black Rock is often associated with sophistication, depth, and a sense of understated elegance. It is not a commonly used color due to its darkness and potential accessibility issues, but it can be effective in creating a particular mood or aesthetic when used thoughtfully. It is frequently used as a background color in web design, where a dark, calming color is desired.

The hex color #010733, often referred to as Black Rock, presents significant accessibility challenges, particularly in web design. Its extremely dark nature results in very low contrast when paired with lighter colors, which is crucial for readability. According to the Web Content Accessibility Guidelines (WCAG), sufficient contrast between text and background is essential for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Black Rock falls short in meeting these standards when used as a background for most text colors, making it difficult for users with low vision or color blindness to perceive content effectively. When using this color, designers should use a color contrast checker to verify that the selected foreground color meets accessibility standards. Furthermore, providing alternative color schemes or allowing users to customize colors can enhance accessibility.

Shades

Digital Color Formats

RGB
1 7 51
RGB1 7 51
Red
Green
Blue
HSL
232.8deg 96.15% 10.2%
232.896.1510.2HSL
Hue
Saturation
Lightness
HWB
232.8deg 0.39% 80%
232.80.3980HWB
Hue
Whiteness
Blackness
hex#010733
rgb1 7 51
hsl232.8deg 96.15% 10.2%
cmyk98.04% 86.27% 0% 80%
hwb232.8deg 0.39% 80%
xyz-d650.01 0 0.03
oklch0.1654 0.087 265.01
oklab0.1654 -0.01 -0.09
CMYK
98.04% 86.27% 0% 80%
98.0486.27080CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1654 0.087 265.01
0.16540.087265.01LCH
Lightness
Chroma
Hue
OKLAB
0.1654 -0.01 -0.09
0.1654-0.01-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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