Blue Charcoal

#020918

General Information about Blue Charcoal

The hexadecimal color code #020918, commonly known as Blue Charcoal, represents a very dark shade of blue. It is composed of 0.78% red, 3.53% green, and 9.41% blue. In the RGB color model, this translates to R:2, G:9, B:24. The HSL (hue, saturation, lightness) values are H:216.67, S:85.71%, L:5.1%, indicating a strong blue hue with high saturation and very low lightness. Blue Charcoal is often associated with qualities such as sophistication, depth, and tranquility. Its dark nature makes it suitable for creating backgrounds or accents that evoke a sense of mystery or elegance. The color is also used in digital design to create a calming and modern aesthetic. Due to its minimal red and green components, the color leans heavily towards the blue end of the spectrum, giving it a cool and serene quality.

The hex color #020918, also known as Blue Charcoal, presents significant accessibility challenges, particularly concerning color contrast. This dark hue requires careful consideration when used as a background or text color. Foreground elements, especially text, must be significantly lighter to ensure readability for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text to meet WCAG (Web Content Accessibility Guidelines) requirements. Tools such as contrast checkers can help determine if the color combination meets accessibility standards. Moreover, avoid using color as the sole means of conveying information; provide alternative cues such as text labels or icons to ensure inclusivity for all users. This color may also pose challenges for users with photosensitivity, requiring thoughtful application in interactive designs.

Shades

Digital Color Formats

RGB
2 9 24
RGB2 9 24
Red
Green
Blue
HSL
220.91deg 84.62% 5.1%
220.9184.625.1HSL
Hue
Saturation
Lightness
HWB
220.91deg 0.78% 90.59%
220.910.7890.59HWB
Hue
Whiteness
Blackness
hex#020918
rgb2 9 24
hsl220.91deg 84.62% 5.1%
cmyk91.67% 62.5% 0% 90.59%
hwb220.91deg 0.78% 90.59%
xyz-d650 0 0.01
oklch0.1406 0.0365 257.44
oklab0.1406 -0.01 -0.04
CMYK
91.67% 62.5% 0% 90.59%
91.6762.5090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1406 0.0365 257.44
0.14060.0365257.44LCH
Lightness
Chroma
Hue
OKLAB
0.1406 -0.01 -0.04
0.1406-0.01-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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