Blue Charcoal

#020B18

About Blue Charcoal (#020B18)

The color #020B18, commonly referred to as Blue Charcoal, is a very dark shade of blue that closely resembles black. It belongs to the family of blue colors but possesses minimal saturation, rendering it nearly achromatic. This hex code represents a color that is often associated with sophistication, depth, and mystery. Due to its low lightness value, it is frequently used in designs that aim to evoke a sense of calm or seriousness. In color theory, #020B18 can serve as an excellent background color when paired with lighter, contrasting text or graphical elements to ensure readability and visual appeal. Its subtle blue undertones distinguish it from pure black, adding a layer of complexity to its character.

The hex color #020B18, also known as Blue Charcoal, presents significant accessibility challenges due to its extremely low luminance. With such a dark shade, ensuring sufficient contrast with foreground elements is crucial for readability and usability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color necessitates the use of very light text or graphical elements to meet these standards. Using color contrast analyzers is essential to verify compliance. Additionally, avoid using this color to convey critical information without supplementary cues like text labels or icons, as users with visual impairments may struggle to perceive it effectively. Careful consideration must be given to the overall design to ensure inclusivity and accessibility for all users.

Shades

Digital Color Formats

RGB
2 11 24
RGB2 11 24
Red
Green
Blue
HSL
215.45deg 84.62% 5.1%
215.4584.625.1HSL
Hue
Saturation
Lightness
HWB
215.45deg 0.78% 90.59%
215.450.7890.59HWB
Hue
Whiteness
Blackness
hex#020B18
rgb2 11 24
hsl215.45deg 84.62% 5.1%
cmyk91.67% 54.17% 0% 90.59%
hwb215.45deg 0.78% 90.59%
xyz-d650 0 0.01
oklch0.147 0.0335 251.57
oklab0.147 -0.01 -0.03
CMYK
91.67% 54.17% 0% 90.59%
91.6754.17090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.147 0.0335 251.57
0.1470.0335251.57LCH
Lightness
Chroma
Hue
OKLAB
0.147 -0.01 -0.03
0.147-0.01-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons