Black Rock

#040830

General Information about #040830

#040830, also known as Black Rock, is a very dark shade of blue, almost appearing black to the naked eye. It belongs to the family of blue colors but sits at the very low end of the lightness scale. Its hexadecimal value, #040830, indicates its composition in the RGB (Red, Green, Blue) color model, where it has very minimal amounts of red and green, and a moderate amount of blue. Colors like #040830 are often used to convey feelings of sophistication, mystery, and depth. In design, it can serve as a solid base for creating contrast or depth and works best when complemented by much lighter colors that stand out against its dark hue. It is used when the design requires a dark shade of blue that is more subtle and less eye-catching than pure black.

The hex color #040830, often referred to as 'Black Rock', presents significant accessibility challenges, particularly in web design. Its extremely dark shade results in very low contrast against lighter backgrounds, making text or interactive elements difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are crucial for readability. To ensure accessibility, it is imperative to pair #040830 with substantially lighter colors. It is very important to avoid using #040830 for text, icons, or important UI elements against dark or even moderately dark backgrounds. Always test the color combination using accessibility tools to meet compliance standards and provide an inclusive experience for all users, including those with low vision or color blindness.

Shades

Digital Color Formats

RGB
4 8 48
RGB4 8 48
Red
Green
Blue
HSL
234.55deg 84.62% 10.2%
234.5584.6210.2HSL
Hue
Saturation
Lightness
HWB
234.55deg 1.57% 81.18%
234.551.5781.18HWB
Hue
Whiteness
Blackness
hex#040830
rgb4 8 48
hsl234.55deg 84.62% 10.2%
cmyk91.67% 83.33% 0% 81.18%
hwb234.55deg 1.57% 81.18%
xyz-d650.01 0 0.03
oklch0.1668 0.0789 269.05
oklab0.1668 0 -0.08
CMYK
91.67% 83.33% 0% 81.18%
91.6783.33081.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1668 0.0789 269.05
0.16680.0789269.05LCH
Lightness
Chroma
Hue
OKLAB
0.1668 0 -0.08
0.16680-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons