Black Rock

#150031

General Information about Hex Color #150031

Hex color #150031, also known as Black Rock, is a very dark shade of purple-blue. It's composed of 8.24% red, 0% green, and 19.22% blue. In the RGB color space, it translates to RGB(21, 0, 49). This color falls within the purple hue range, though its low saturation gives it a muted, almost black-like appearance. Colors like this are often associated with mystery, luxury, and sophistication. Its darkness lends itself to applications where depth and richness are desired, but requires careful consideration of contrast to maintain accessibility. Understanding the composition of #150031 helps designers and developers use it effectively in various creative projects.

The color #150031, also known as Black Rock, presents significant accessibility challenges, especially in text-based applications. Its extremely dark nature results in very low contrast against typical light backgrounds, making it difficult for users, particularly those with visual impairments, to read text rendered in this color. According to WCAG guidelines, sufficient contrast is crucial for readability. To ensure accessibility, #150031 should only be used with very light colors that provide a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Careful consideration should also be given to non-text elements; using it for icons or interactive elements requires even more accessible contrasting colors. Providing alternative high-contrast themes can further enhance usability for all users.

Shades

Digital Color Formats

RGB
21 0 49
RGB21 0 49
Red
Green
Blue
HSL
265.71deg 100% 9.61%
265.711009.61HSL
Hue
Saturation
Lightness
HWB
265.71deg 0% 80.78%
265.71080.78HWB
Hue
Whiteness
Blackness
hex#150031
rgb21 0 49
hsl265.71deg 100% 9.61%
cmyk57.14% 100% 0% 80.78%
hwb265.71deg 0% 80.78%
xyz-d650.01 0 0.03
oklch0.1688 0.092 296.37
oklab0.1688 0.04 -0.08
CMYK
57.14% 100% 0% 80.78%
57.14100080.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1688 0.092 296.37
0.16880.092296.37LCH
Lightness
Chroma
Hue
OKLAB
0.1688 0.04 -0.08
0.16880.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons