Black Rock

#0A042A

General Information about #0A042A

The hexadecimal color code #0A042A represents a very dark shade of purple, often referred to as Black Rock. It's composed of 3.92% red, 1.57% green, and 16.47% blue. In the RGB color model, it is equivalent to (10, 4, 42). This color has a hue angle of 250 degrees, a saturation of 82.3%, and a lightness of 9%. Due to its low lightness value, it is perceived as a dark color. Colors similar to #0A042A are often associated with mystery, sophistication, and depth. It finds use in various applications, ranging from web design to fashion, where a dark and elegant aesthetic is desired. However, its low luminance requires careful consideration regarding accessibility, particularly in text rendering.

The hex color #0A042A, also known as Black Rock, presents significant accessibility challenges, especially in web design. Its very low luminance makes it difficult to read text rendered in this color against a white background. According to WCAG guidelines, it would fail most contrast ratio tests for normal-sized text. To improve accessibility, it is crucial to use a much lighter text color, such as white or a very pale gray, when using #0A042A as a background. Alternatively, using #0A042A for large text elements or decorative elements where readability is less critical might be acceptable. However, always prioritizing sufficient contrast is essential to ensure that content is accessible to users with visual impairments. Tools are readily available online to check color contrast ratios and determine compliance with accessibility standards.

Shades

Digital Color Formats

RGB
10 4 42
RGB10 4 42
Red
Green
Blue
HSL
249.47deg 82.61% 9.02%
249.4782.619.02HSL
Hue
Saturation
Lightness
HWB
249.47deg 1.57% 83.53%
249.471.5783.53HWB
Hue
Whiteness
Blackness
hex#0A042A
rgb10 4 42
hsl249.47deg 82.61% 9.02%
cmyk76.19% 90.48% 0% 83.53%
hwb249.47deg 1.57% 83.53%
xyz-d650.01 0 0.02
oklch0.1552 0.0744 282.2
oklab0.1552 0.02 -0.07
CMYK
76.19% 90.48% 0% 83.53%
76.1990.48083.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1552 0.0744 282.2
0.15520.0744282.2LCH
Lightness
Chroma
Hue
OKLAB
0.1552 0.02 -0.07
0.15520.02-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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