Black Rock

#0A032E

General Information about #0A032E

The hex color #0A032E, often referred to as Black Rock, is a very dark, desaturated shade of blue-purple. It belongs to the family of near-black colors and is characterized by very low luminance. In the RGB color model, it is composed of 3.92% red, 1.18% green, and 18.04% blue. In the CMYK color model, it is composed of 78.26% cyan, 93.48% magenta, 0% yellow, and 81.96% black. This color is generally perceived as mysterious, sophisticated, and can evoke feelings of depth and introspection. Due to its darkness, it's often used in design to create a sense of elegance or a night-time atmosphere. It is not a frequently used color on websites due to accessibility issues with text.

The hex color #0A032E, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance value results in very poor contrast against common background colors like white. According to WCAG guidelines, sufficient contrast is essential for readability, especially for users with visual impairments. To ensure accessibility, avoid using #0A032E for text or interactive elements unless paired with a very light color that provides a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Careful consideration should be given to color combinations, and tools for checking contrast ratios should be used to validate accessibility compliance. Using this color as a background should also be carefully considered, ensuring that foreground elements have sufficient contrast.

Shades

Digital Color Formats

RGB
10 3 46
RGB10 3 46
Red
Green
Blue
HSL
249.77deg 87.76% 9.61%
249.7787.769.61HSL
Hue
Saturation
Lightness
HWB
249.77deg 1.18% 81.96%
249.771.1881.96HWB
Hue
Whiteness
Blackness
hex#0A032E
rgb10 3 46
hsl249.77deg 87.76% 9.61%
cmyk78.26% 93.48% 0% 81.96%
hwb249.77deg 1.18% 81.96%
xyz-d650.01 0 0.03
oklch0.1578 0.0823 280.91
oklab0.1578 0.02 -0.08
CMYK
78.26% 93.48% 0% 81.96%
78.2693.48081.96CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1578 0.0823 280.91
0.15780.0823280.91LCH
Lightness
Chroma
Hue
OKLAB
0.1578 0.02 -0.08
0.15780.02-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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