Black Rock

#0A0939

General Information about Black Rock

#0A0939, also known as Black Rock, is a very dark, desaturated shade of blue-purple. In the RGB color model, it is composed of 3.92% red, 3.53% green, and 22.35% blue. In the CMYK color model, it consists of 82.41% cyan, 84.29% magenta, 0% yellow, and 77.65% black. Its hex code is #0A0939. The color is often associated with sophistication, mystery, and depth. Due to its dark nature, it is often used as a background color or as an accent color in design. When using this color, it's essential to consider accessibility guidelines to ensure sufficient contrast with foreground elements, particularly text.

The hex color #0A0939, also known as Black Rock, presents significant accessibility challenges due to its very dark nature. When used as a background color, it requires extremely light text to ensure 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. Given the darkness of #0A0939, only very light shades of white, yellow, or near-white colors are likely to meet these contrast requirements. It's crucial to use contrast checking tools to verify compliance. Avoid using this color for important textual content without carefully considering the foreground color to ensure it is accessible to users with visual impairments. Designers should also be mindful of users with photosensitivity, as drastic contrast differences can cause discomfort. Furthermore, ensure that interactive elements have sufficient visual cues beyond just color to aid users who may have color vision deficiency.

Shades

Digital Color Formats

RGB
10 9 57
RGB10 9 57
Red
Green
Blue
HSL
241.25deg 72.73% 12.94%
241.2572.7312.94HSL
Hue
Saturation
Lightness
HWB
241.25deg 3.53% 77.65%
241.253.5377.65HWB
Hue
Whiteness
Blackness
hex#0A0939
rgb10 9 57
hsl241.25deg 72.73% 12.94%
cmyk82.46% 84.21% 0% 77.65%
hwb241.25deg 3.53% 77.65%
xyz-d650.01 0.01 0.04
oklch0.1854 0.089 274.36
oklab0.1854 0.01 -0.09
CMYK
82.46% 84.21% 0% 77.65%
82.4684.21077.65CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.04
0.010.010.04XYZ
X
Y
Z
OKLCH
0.1854 0.089 274.36
0.18540.089274.36LCH
Lightness
Chroma
Hue
OKLAB
0.1854 0.01 -0.09
0.18540.01-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons