Black Rock

#0C0A2B

General Information about #0C0A2B

The hex color code #0C0A2B, also known as "Black Rock," is a deep, dark shade of blue-purple. It is composed of 4.71% red, 3.92% green, and 17.25% blue. In the RGB color model, #0C0A2B has the numerical representation (12, 10, 43). When converted to the CMYK color model, it yields approximately 72.09% cyan, 76.74% magenta, 0% yellow, and 82.75% black. This color evokes feelings of mystery, depth, and sophistication. Due to its low luminance, it is often perceived as a color associated with night, shadows, and elegance. It is not a very common color, but if properly used it can add a great touch to any design.

The color #0C0A2B, a very dark shade of blue-purple, presents significant accessibility challenges. Its extremely low luminance makes it difficult to perceive for users with visual impairments. The contrast ratio against standard white backgrounds is critically low, failing to meet WCAG (Web Content Accessibility Guidelines) standards for text and non-text contrast. To ensure accessibility, it is crucial to use this color sparingly, primarily for decorative purposes, and never as the primary text color. When using it for text, a very light color such as #FFFFFF or #F0F0F0 must be used as foreground. For graphical elements, ensure sufficient contrast with adjacent elements to allow users to distinguish them easily. Also consider providing alternative representations for color-dependent information.

Shades

Digital Color Formats

RGB
12 10 43
RGB12 10 43
Red
Green
Blue
HSL
243.64deg 62.26% 10.39%
243.6462.2610.39HSL
Hue
Saturation
Lightness
HWB
243.64deg 3.92% 83.14%
243.643.9283.14HWB
Hue
Whiteness
Blackness
hex#0C0A2B
rgb12 10 43
hsl243.64deg 62.26% 10.39%
cmyk72.09% 76.74% 0% 83.14%
hwb243.64deg 3.92% 83.14%
xyz-d650.01 0 0.02
oklch0.173 0.0645 279.96
oklab0.173 0.01 -0.06
CMYK
72.09% 76.74% 0% 83.14%
72.0976.74083.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.173 0.0645 279.96
0.1730.0645279.96LCH
Lightness
Chroma
Hue
OKLAB
0.173 0.01 -0.06
0.1730.01-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons