Black Rock

#180037

General Information about #180037

The hexadecimal color #180037, often referred to as Black Rock, is a deep, dark shade of purple with a significant presence of blue undertones. It belongs to the family of dark purples and evokes a sense of mystery, sophistication, and depth. In the RGB color model, it is composed of 9.41% red, 0% green, and 21.57% blue. This combination results in a color that is far from the typical primary colors and possesses a unique character. Its dark nature makes it suitable for applications where a subtle yet impactful visual presence is desired. It is a color that draws attention without being overly assertive, making it an excellent choice for backgrounds, accents, or elements that need to convey a sense of elegance and restraint. Black Rock embodies a blend of darkness and richness, contributing to its distinctive appeal.

The color #180037, also known as Black Rock, presents significant accessibility challenges, particularly for users with visual impairments. Its very dark hue results in a low contrast ratio against common background colors like white, making text and other elements difficult to read. To ensure accessibility, it is crucial to pair this color with much lighter shades for text or interactive elements. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text, as specified by WCAG guidelines. Avoid using #180037 for critical information or actions without careful consideration of contrast. Tools like contrast checkers can help assess and improve the accessibility of color combinations. Also, consider providing alternative visual cues, such as icons or text labels, to enhance usability for all users.

Shades

Digital Color Formats

RGB
24 0 55
RGB24 0 55
Red
Green
Blue
HSL
266.18deg 100% 10.78%
266.1810010.78HSL
Hue
Saturation
Lightness
HWB
266.18deg 0% 78.43%
266.18078.43HWB
Hue
Whiteness
Blackness
hex#180037
rgb24 0 55
hsl266.18deg 100% 10.78%
cmyk56.36% 100% 0% 78.43%
hwb266.18deg 0% 78.43%
xyz-d650.01 0 0.04
oklch0.181 0.0989 295.95
oklab0.181 0.04 -0.09
CMYK
56.36% 100% 0% 78.43%
56.36100078.43CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.04
0.0100.04XYZ
X
Y
Z
OKLCH
0.181 0.0989 295.95
0.1810.0989295.95LCH
Lightness
Chroma
Hue
OKLAB
0.181 0.04 -0.09
0.1810.04-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons