Blue Charcoal

#031315

General Information about #031315

The hexadecimal color code #031315 represents a very dark shade of blue-gray, often referred to as Blue Charcoal. It is composed of 1.18% red, 7.45% green, and 8.24% blue. In the RGB color model, this translates to 3 red, 19 green, and 21 blue. This color possesses a low saturation and luminance, contributing to its subdued and somber appearance. Colors like #031315 are often used to convey a sense of sophistication, depth, or mystery. Due to its darkness, it is crucial to use it carefully in design, particularly concerning accessibility, ensuring sufficient contrast with lighter colors to maintain readability and visibility. Its subtle blue undertones can evoke feelings of calmness and stability.

The color #031315, often referred to as Blue Charcoal, presents significant accessibility challenges due to its extremely low luminance. Its very dark nature means it offers minimal contrast against typical background colors like white, making it difficult for individuals with visual impairments to discern text or graphical elements. Web developers must exercise caution when using this color. Foreground elements using #031315 should be paired with extremely light background colors to ensure sufficient contrast, meeting WCAG (Web Content Accessibility Guidelines) standards for readability. Utilizing tools to measure contrast ratios is crucial to guarantee that content remains accessible to all users, including those with low vision or color blindness. Failure to address contrast issues can lead to a frustrating and unusable experience for a significant portion of the user base.

Shades

Digital Color Formats

RGB
3 19 21
RGB3 19 21
Red
Green
Blue
HSL
186.67deg 75% 4.71%
186.67754.71HSL
Hue
Saturation
Lightness
HWB
186.67deg 1.18% 91.76%
186.671.1891.76HWB
Hue
Whiteness
Blackness
hex#031315
rgb3 19 21
hsl186.67deg 75% 4.71%
cmyk85.71% 9.52% 0% 91.76%
hwb186.67deg 1.18% 91.76%
xyz-d650 0.01 0.01
oklch0.1728 0.024 205.21
oklab0.1728 -0.02 -0.01
CMYK
85.71% 9.52% 0% 91.76%
85.719.52091.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.1728 0.024 205.21
0.17280.024205.21LCH
Lightness
Chroma
Hue
OKLAB
0.1728 -0.02 -0.01
0.1728-0.02-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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