Black Rock

#0A0C2B

General Information about Black Rock (#0A0C2B)

The hexadecimal color code #0A0C2B, also known as Black Rock, is a very dark shade of blue-purple. It is composed of 3.92% red, 4.71% green, and 16.86% blue. In the RGB color model, this translates to R:10, G:12, B:43. The corresponding CMYK color code is C:77, M:72, Y:0, K:83. Black Rock's hue angle is 233.3 degrees, its saturation is 84.8%, and its lightness is 10.4%. This color is often associated with feelings of depth, mystery, and sophistication. Its low brightness makes it a challenging color to use in designs where readability is crucial, requiring careful consideration of contrast ratios. It can be found in graphic design, web design, interiour design and even in fashion. It is a great color for creating a subtle dark theme.

The color #0A0C2B, also known as Black Rock, presents significant accessibility challenges, particularly in text-based contexts. Its extremely low luminance (very dark) results in very poor contrast against typical light backgrounds. According to WCAG guidelines, sufficient contrast is essential for readability, especially for users with visual impairments. Using #0A0C2B for text on a white or light-colored background would fail to meet minimum contrast ratios (3:1 for large text, 4.5:1 for regular text). To improve accessibility, consider pairing it with very light shades or using it for large graphical elements where contrast is less critical. Always test color combinations with accessibility tools to ensure compliance with WCAG standards and cater to diverse user needs. Another way to handle that problem would be to use the color as background and use white or bright fonts.

Shades

Digital Color Formats

RGB
10 12 43
RGB10 12 43
Red
Green
Blue
HSL
236.36deg 62.26% 10.39%
236.3662.2610.39HSL
Hue
Saturation
Lightness
HWB
236.36deg 3.92% 83.14%
236.363.9283.14HWB
Hue
Whiteness
Blackness
hex#0A0C2B
rgb10 12 43
hsl236.36deg 62.26% 10.39%
cmyk76.74% 72.09% 0% 83.14%
hwb236.36deg 3.92% 83.14%
xyz-d650.01 0.01 0.02
oklch0.1757 0.0618 275.26
oklab0.1757 0.01 -0.06
CMYK
76.74% 72.09% 0% 83.14%
76.7472.09083.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.02
0.010.010.02XYZ
X
Y
Z
OKLCH
0.1757 0.0618 275.26
0.17570.0618275.26LCH
Lightness
Chroma
Hue
OKLAB
0.1757 0.01 -0.06
0.17570.01-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons