Blue Charcoal

#030921

General Information about #030921

The hexadecimal color code #030921 represents a dark shade of blue, often referred to as Blue Charcoal. It's composed of 1.18% red, 3.53% green, and 12.94% blue. In the RGB color space, it is characterized by its very low values, resulting in a dark and muted tone. The color is more noticeable in low light conditions. The HSL representation is 222 degrees of hue, 84% saturation, and 7% lightness. The color is often associated with sophistication, mystery, and depth, and can be used to create a sense of calm and tranquility. Because of its darkness, it's crucial to use it carefully in design to ensure sufficient contrast with other elements.

The hex color #030921, also known as Blue Charcoal, presents significant accessibility challenges. Its extremely low lightness value results in very poor contrast against white text, failing WCAG (Web Content Accessibility Guidelines) standards for normal and large text sizes. This color should never be used as a text color on a light background or as a background color for light text. To improve accessibility, consider using lighter shades of blue or complementary colors that provide sufficient contrast. Tools like contrast checkers can help determine appropriate color pairings for readability and usability. For instance, using this color for decorative elements is fine, but avoid important text or interactive elements.

Shades

Digital Color Formats

RGB
3 9 33
RGB3 9 33
Red
Green
Blue
HSL
228deg 83.33% 7.06%
22883.337.06HSL
Hue
Saturation
Lightness
HWB
228deg 1.18% 87.06%
2281.1887.06HWB
Hue
Whiteness
Blackness
hex#030921
rgb3 9 33
hsl228deg 83.33% 7.06%
cmyk90.91% 72.73% 0% 87.06%
hwb228deg 1.18% 87.06%
xyz-d650 0 0.01
oklch0.1507 0.0524 265.73
oklab0.1507 0 -0.05
CMYK
90.91% 72.73% 0% 87.06%
90.9172.73087.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1507 0.0524 265.73
0.15070.0524265.73LCH
Lightness
Chroma
Hue
OKLAB
0.1507 0 -0.05
0.15070-0.05LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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