Black Rock

#090331

General Information about #090331

#090331, also known as Black Rock, is a very dark shade of blue. In the RGB color model, it is composed of 3.53% red, 1.18% green, and 19.22% blue. This combination results in a color that is perceived as deep, mysterious, and somewhat muted. The hex code #090331 is often used in digital design, web development, and graphic arts to create a sense of sophistication and depth. Due to its low lightness value, it is typically used as a background color or in elements where a subtle, understated effect is desired. The color is part of the dark blue color family and is typically regarded as a cool color.

The hex color #090331, often referred to as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Due to its extremely dark nature, achieving sufficient contrast with lighter foreground colors is crucial. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text, as per WCAG guidelines. Insufficient contrast can make content unreadable for users with visual impairments, including those with low vision or color blindness. When using #090331 as a background, careful consideration must be given to the choice of text color and other visual elements to ensure readability and usability for all users. Providing alternative high-contrast themes or allowing users to customize colors can also improve accessibility.

Shades

Digital Color Formats

RGB
9 3 49
RGB9 3 49
Red
Green
Blue
HSL
247.83deg 88.46% 10.2%
247.8388.4610.2HSL
Hue
Saturation
Lightness
HWB
247.83deg 1.18% 80.78%
247.831.1880.78HWB
Hue
Whiteness
Blackness
hex#090331
rgb9 3 49
hsl247.83deg 88.46% 10.2%
cmyk81.63% 93.88% 0% 80.78%
hwb247.83deg 1.18% 80.78%
xyz-d650.01 0 0.03
oklch0.1609 0.0869 278.25
oklab0.1609 0.01 -0.09
CMYK
81.63% 93.88% 0% 80.78%
81.6393.88080.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1609 0.0869 278.25
0.16090.0869278.25LCH
Lightness
Chroma
Hue
OKLAB
0.1609 0.01 -0.09
0.16090.01-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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