Black Rock

#0A072A

General Information

The hexadecimal color code #0A072A represents a very dark shade of blue-violet, commonly referred to as 'Black Rock.' In the RGB color model, it is composed of 3.92% red, 2.75% green, and 16.47% blue. This translates to a minimal presence of red and green, with blue being the dominant component, albeit at a low intensity. The color appears almost black to the naked eye due to its low overall brightness. In the world of color theory, #0A072A sits within the cool spectrum, evoking feelings of depth, mystery, and sophistication. It is frequently utilized in design contexts where a subtle yet impactful color is desired, particularly when aiming for a modern and elegant aesthetic.

The hex color #0A072A, also known as Black Rock, presents significant accessibility challenges, especially in text-based applications. Its extremely low luminance value means that it requires very light text colors to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text. When using #0A072A as a background, ensure that the foreground text is white (#FFFFFF) or a very light shade to achieve sufficient contrast. Tools like contrast checkers can help verify compliance. Avoid using this color for critical information displays or interactive elements without careful consideration of contrast. For users with visual impairments, insufficient contrast can render content illegible. Therefore, prioritize high contrast combinations to enhance usability for all users, including those with disabilities.

Shades

Digital Color Formats

RGB
10 7 42
RGB10 7 42
Red
Green
Blue
HSL
245.14deg 71.43% 9.61%
245.1471.439.61HSL
Hue
Saturation
Lightness
HWB
245.14deg 2.75% 83.53%
245.142.7583.53HWB
Hue
Whiteness
Blackness
hex#0A072A
rgb10 7 42
hsl245.14deg 71.43% 9.61%
cmyk76.19% 83.33% 0% 83.53%
hwb245.14deg 2.75% 83.53%
xyz-d650.01 0 0.02
oklch0.1629 0.0685 279.82
oklab0.1629 0.01 -0.07
CMYK
76.19% 83.33% 0% 83.53%
76.1983.33083.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1629 0.0685 279.82
0.16290.0685279.82LCH
Lightness
Chroma
Hue
OKLAB
0.1629 0.01 -0.07
0.16290.01-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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