Black Rock

#040628

General Information about #040628

The hex color #040628, often referred to as Black Rock, is a very dark shade of blue. In the RGB color model, it is composed of 1.57% red, 2.35% green, and 15.69% blue. This makes it a predominantly blue hue with minimal red and green contributions, resulting in its deep, almost black appearance. It has a very low lightness value, contributing to its darkness. This color is often associated with feelings of depth, mystery, and sophistication. Its darkness makes it suitable for creating contrast when paired with lighter colors, though care must be taken to ensure accessibility standards are met. Its CMYK values are C:0.90, M:0.85, Y:0.00, K:0.84.

The hex color #040628, also known as Black Rock, presents significant accessibility challenges, especially in web design. Its very low luminance makes it difficult to achieve sufficient contrast against lighter backgrounds, potentially violating WCAG guidelines. Using this color for text or important UI elements against a white or light-colored background would likely fail accessibility checks. To improve accessibility, consider using lighter shades for foreground elements, employing larger font sizes, or adding borders. Combining it with very light yellows or oranges can create a more visible color combination, but careful testing with accessibility tools is necessary to ensure compliance. Additionally, providing alternative color schemes for users with visual impairments is a valuable strategy when utilizing such a dark hue.

Shades

Digital Color Formats

RGB
4 6 40
RGB4 6 40
Red
Green
Blue
HSL
236.67deg 81.82% 8.63%
236.6781.828.63HSL
Hue
Saturation
Lightness
HWB
236.67deg 1.57% 84.31%
236.671.5784.31HWB
Hue
Whiteness
Blackness
hex#040628
rgb4 6 40
hsl236.67deg 81.82% 8.63%
cmyk90% 85% 0% 84.31%
hwb236.67deg 1.57% 84.31%
xyz-d650 0 0.02
oklch0.1514 0.0694 271.08
oklab0.1514 0 -0.07
CMYK
90% 85% 0% 84.31%
9085084.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.02
000.02XYZ
X
Y
Z
OKLCH
0.1514 0.0694 271.08
0.15140.0694271.08LCH
Lightness
Chroma
Hue
OKLAB
0.1514 0 -0.07
0.15140-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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