Black Rock

#0A022B

General Information about #0A022B

The hexadecimal color code #0A022B represents a very dark shade of blue-black. In the RGB color model, it is composed of 3.92% red, 0.78% green, and 17.25% blue. In the CMYK color model, it consists of 77.27% cyan, 95.45% magenta, 0% yellow, and 82.75% black. This color is often associated with sophistication, mystery, and depth. Due to its low brightness and saturation, it is primarily used as a background color or accent color in designs where a subtle and understated effect is desired. The color is not perceptibly chromatic, leaning more towards an achromatic color due to the very low saturation levels. It is essential to consider contrast ratios when using this color to ensure readability and accessibility.

The hex color #0A022B, also known as Black Rock, presents significant accessibility challenges, primarily due to its very dark nature. When used as a background color, it necessitates extremely light text to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Given the darkness of #0A022B, careful selection of foreground colors is crucial. White or very light shades of yellow or cyan would be appropriate choices. It is imperative to test color combinations using accessibility tools to verify compliance with accessibility standards. Avoid using this color with mid-tone colors or darker shades, as this will likely result in insufficient contrast, making the content inaccessible to users, especially those with visual impairments. Consideration should also be given to users with cognitive disabilities, who may find low-contrast text difficult to read.

Shades

Digital Color Formats

RGB
10 2 43
RGB10 2 43
Red
Green
Blue
HSL
251.71deg 91.11% 8.82%
251.7191.118.82HSL
Hue
Saturation
Lightness
HWB
251.71deg 0.78% 83.14%
251.710.7883.14HWB
Hue
Whiteness
Blackness
hex#0A022B
rgb10 2 43
hsl251.71deg 91.11% 8.82%
cmyk76.74% 95.35% 0% 83.14%
hwb251.71deg 0.78% 83.14%
xyz-d650.01 0 0.02
oklch0.1509 0.0802 283.13
oklab0.1509 0.02 -0.08
CMYK
76.74% 95.35% 0% 83.14%
76.7495.35083.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1509 0.0802 283.13
0.15090.0802283.13LCH
Lightness
Chroma
Hue
OKLAB
0.1509 0.02 -0.08
0.15090.02-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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