Blue Charcoal

#000821

General Information about Blue Charcoal

The hexadecimal color code #000821, also known as Blue Charcoal, is a dark shade of blue, almost black. In the RGB color model, it is composed of 0% red, 3.14% green, and 12.94% blue. This composition gives it a muted, deep tone, reminiscent of dark nights and subtle sophistication. Its primary attribute is its low luminosity, which impacts its suitability for various applications. The color belongs to the family of dark blues and is often associated with seriousness, depth, and formality. In CMYK, it is composed of 100% cyan, 76% magenta, 0% yellow, and 87% black. This composition highlights the dominance of cyan and magenta in creating its dark, cool tone.

The hex color #000821, also known as Blue Charcoal, presents significant accessibility challenges, particularly concerning color contrast. Its very dark hue results in low contrast against lighter backgrounds, which is crucial for readability. According to WCAG guidelines, sufficient contrast is essential for users with visual impairments to distinguish text and other elements. When using #000821 for text or interactive elements, ensure a very light background color is chosen, and contrast ratios should be tested using online tools to meet WCAG AA or AAA standards. Insufficient contrast can exclude users with low vision or color blindness, making content inaccessible. For buttons and links, consider providing additional visual cues, such as underlines or icons, to ensure they are easily identifiable.

Shades

Digital Color Formats

RGB
0 8 33
RGB0 8 33
Red
Green
Blue
HSL
225.45deg 100% 6.47%
225.451006.47HSL
Hue
Saturation
Lightness
HWB
225.45deg 0% 87.06%
225.45087.06HWB
Hue
Whiteness
Blackness
hex#000821
rgb0 8 33
hsl225.45deg 100% 6.47%
cmyk100% 75.76% 0% 87.06%
hwb225.45deg 0% 87.06%
xyz-d650 0 0.01
oklch0.144 0.0571 259.45
oklab0.144 -0.01 -0.06
CMYK
100% 75.76% 0% 87.06%
10075.76087.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.144 0.0571 259.45
0.1440.0571259.45LCH
Lightness
Chroma
Hue
OKLAB
0.144 -0.01 -0.06
0.144-0.01-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons