Blue Charcoal

#001218

General Information about Blue Charcoal

The color #001218, also known as Blue Charcoal, is a very dark shade of blue-green. It belongs to the family of cyan colors but appears closer to black due to its low lightness value. The hexadecimal code #001218 is composed of 0% red, 7.1% green, and 9.4% blue. In the RGB color space, it is represented as RGB(0, 18, 24). The CMYK representation is C:1, M:0.25, Y:0, K:0.91, indicating that it is primarily composed of cyan with some magenta. Blue Charcoal evokes a sense of depth, calmness, and sophistication. It's often associated with professionalism, stability, and understated elegance. This color is frequently used in designs aiming to convey trustworthiness and reliability.

The hex color #001218, also known as Blue Charcoal, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates very light text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14pt bold or 18pt regular) to meet WCAG AA standards. Using online contrast checkers is crucial to verify compliance. For users with visual impairments, including those with low vision or color blindness, insufficient contrast can make content difficult or impossible to perceive. Therefore, careful consideration and testing with accessibility tools are essential when incorporating #001218 into designs to guarantee an inclusive user experience. Also consider using it for decorative elements where the legibility requirements are less strict.

Shades

Digital Color Formats

RGB
0 18 24
RGB0 18 24
Red
Green
Blue
HSL
195 100% 4.71%
1951004.71HSL
Hue
Saturation
Lightness
HWB
195 0% 90.59%
195090.59HWB
Hue
Whiteness
Blackness
hex#001218
rgb0 18 24
hsl195 100% 4.71%
cmyk100% 25% 0% 90.59%
hwb195 0% 90.59%
xyz-d650 0 0.01
oklch0.1684 0.0305 219.22
oklab0.1684 -0.02 -0.02
CMYK
100% 25% 0% 90.59%
10025090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1684 0.0305 219.22
0.16840.0305219.22LCH
Lightness
Chroma
Hue
OKLAB
0.1684 -0.02 -0.02
0.1684-0.02-0.02LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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