Black Rock

#100828

General Information about #100828

The hex color #100828, also referred to as Black Rock, belongs to the dark shade of the blue-purple color family. It is a very dark color, almost black, with subtle hints of blue and violet. In the RGB color model, #100828 is composed of 6.27% red, 3.14% green, and 15.69% blue. In the CMYK color model, it consists of 60% cyan, 80% magenta, 0% yellow, and 84% black. The hexadecimal color system is widely used in web design and digital graphics for specifying colors precisely. Understanding the composition of colors in different models helps designers make informed decisions. This color is often associated with sophistication, mystery, and elegance. Its darkness also allows for good contrast with lighter colors, making it suitable for certain design applications where contrast is important.

The hex color #100828, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance value results in very poor contrast against common background colors like white. This makes text rendered in #100828 difficult, if not impossible, for users with visual impairments to read. Web developers should avoid using this color for text unless paired with a very light background color to ensure sufficient contrast, adhering to WCAG guidelines. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended. Using tools to check color contrast is crucial. It is more suitable for non-text elements like decorative accents where readability isn't paramount. Overreliance on such a dark color could exclude a substantial portion of your audience.

Shades

Digital Color Formats

RGB
16 8 40
RGB16 8 40
Red
Green
Blue
HSL
255deg 66.67% 9.41%
25566.679.41HSL
Hue
Saturation
Lightness
HWB
255deg 3.14% 84.31%
2553.1484.31HWB
Hue
Whiteness
Blackness
hex#100828
rgb16 8 40
hsl255deg 66.67% 9.41%
cmyk60% 80% 0% 84.31%
hwb255deg 3.14% 84.31%
xyz-d650.01 0 0.02
oklch0.1698 0.0625 289.71
oklab0.1698 0.02 -0.06
CMYK
60% 80% 0% 84.31%
6080084.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1698 0.0625 289.71
0.16980.0625289.71LCH
Lightness
Chroma
Hue
OKLAB
0.1698 0.02 -0.06
0.16980.02-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons