Black Pearl

#040F21

About Black Pearl (#040F21)

The color #040F21, often referred to as Black Pearl, is a very dark shade of blue categorized within the black color group. Its hexadecimal representation indicates a composition of low red (04), green (0F), and blue (21) values in the RGB color model. This composition results in a color that is almost black but with a subtle bluish undertone, giving it a sophisticated and mysterious feel. Colors like #040F21 are often used to convey a sense of elegance, depth, and exclusivity. Due to its low luminance, it is generally not recommended for use as the primary text color without careful consideration of contrast ratios. It is more commonly employed as a background color or in graphic elements where its subtle hue can enhance the overall aesthetic without compromising readability. In print media, achieving this precise shade may require careful calibration of printing equipment to ensure accurate color reproduction. Its darkness makes it a good color for creating shadows and depth.

The hex color #040F21, also known as Black Pearl, presents significant accessibility challenges, particularly in text-based applications. Due to its very low luminance, it offers extremely poor contrast against standard white backgrounds. This makes text rendered in this color difficult to read, especially for individuals with visual impairments or those viewing the content in bright environments. Web Content Accessibility Guidelines (WCAG) emphasize the importance of sufficient contrast ratios for readability. To meet accessibility standards, using #040F21 for text requires pairing it with a very light color for the background, ensuring a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. Furthermore, avoid using this color for critical interface elements or interactive components without careful consideration of its impact on usability for all users. Providing alternative high-contrast themes can improve overall accessibility.

Shades

Digital Color Formats

RGB
4 15 33
RGB4 15 33
Red
Green
Blue
HSL
217.24deg 78.38% 7.25%
217.2478.387.25HSL
Hue
Saturation
Lightness
HWB
217.24deg 1.57% 87.06%
217.241.5787.06HWB
Hue
Whiteness
Blackness
hex#040F21
rgb4 15 33
hsl217.24deg 78.38% 7.25%
cmyk87.88% 54.55% 0% 87.06%
hwb217.24deg 1.57% 87.06%
xyz-d650 0 0.02
oklch0.169 0.0419 257.6
oklab0.169 -0.01 -0.04
CMYK
87.88% 54.55% 0% 87.06%
87.8854.55087.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.02
000.02XYZ
X
Y
Z
OKLCH
0.169 0.0419 257.6
0.1690.0419257.6LCH
Lightness
Chroma
Hue
OKLAB
0.169 -0.01 -0.04
0.169-0.01-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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