Blue Charcoal

#000B18

General Information about #000B18

The hexadecimal color code #000B18 represents a dark shade of blue, often referred to as Blue Charcoal. It is composed of 0% red, 4.3% green, and 9.4% blue. In the RGB color model, this translates to (0, 11, 24). The color is commonly associated with feelings of sophistication, mystery, and depth. In a web design context, #000B18 can be utilized as a background color to create a sleek and modern look, or as a text color when paired with lighter backgrounds. Its low saturation and dark luminance make it a subtle yet impactful choice for various design applications. When printing, CMYK values need to be considered to replicate the colour as closely as possible.

The hex color #000B18, also known as Blue Charcoal, presents certain accessibility considerations for web developers. Its dark nature implies that it requires light-colored text for sufficient contrast. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text to meet AA compliance. Using #000B18 as a background color necessitates careful selection of foreground colors to ensure readability and usability, particularly for users with visual impairments. Tools like contrast checkers can help developers verify compliance and make informed decisions. It's also vital to test the color combination with real users to identify any potential issues and ensure optimal accessibility.

Shades

Digital Color Formats

RGB
0 11 24
RGB0 11 24
Red
Green
Blue
HSL
212.5deg 100% 4.71%
212.51004.71HSL
Hue
Saturation
Lightness
HWB
212.5deg 0% 90.59%
212.5090.59HWB
Hue
Whiteness
Blackness
hex#000B18
rgb0 11 24
hsl212.5deg 100% 4.71%
cmyk100% 54.17% 0% 90.59%
hwb212.5deg 0% 90.59%
xyz-d650 0 0.01
oklch0.1445 0.0364 245.02
oklab0.1445 -0.02 -0.03
CMYK
100% 54.17% 0% 90.59%
10054.17090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1445 0.0364 245.02
0.14450.0364245.02LCH
Lightness
Chroma
Hue
OKLAB
0.1445 -0.02 -0.03
0.1445-0.02-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons