Mine Shaft

#303139

General Information

The hexadecimal color #303139, commonly referred to as "Mine Shaft", is a dark shade of gray. It is composed of 18.82% red, 19.22% green, and 22.35% blue. In the RGB color space, it falls closer to the blue end of the spectrum, resulting in a cool, muted tone. The color is often associated with sophistication, neutrality, and a sense of understated elegance. Its subdued nature makes it a versatile choice for various applications, from digital design to physical products. The color does not call for much attention and can give a very classy impression.

The hex color #303139, also known as Mine Shaft, presents some accessibility challenges, particularly in text applications. Due to its relatively low contrast against both white and black backgrounds, careful consideration is required to ensure readability for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for body text, as per WCAG guidelines, and #303139 often falls short of this requirement. When using this color for text, it's crucial to pair it with a very light or very dark background to enhance contrast. Alternatively, consider using a slightly lighter or darker shade of gray to improve accessibility. For interactive elements like buttons or links, sufficient visual cues beyond color alone are necessary to ensure usability for all users.

Shades

Digital Color Formats

RGB
48 49 57
RGB48 49 57
Red
Green
Blue
HSL
233.33deg 8.57% 20.59%
233.338.5720.59HSL
Hue
Saturation
Lightness
HWB
233.33deg 18.82% 77.65%
233.3318.8277.65HWB
Hue
Whiteness
Blackness
hex#303139
rgb48 49 57
hsl233.33deg 8.57% 20.59%
cmyk15.79% 14.04% 0% 77.65%
hwb233.33deg 18.82% 77.65%
xyz-d650.03 0.03 0.04
oklch0.3154 0.0143 279.88
oklab0.3154 0 -0.01
CMYK
15.79% 14.04% 0% 77.65%
15.7914.04077.65CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.04
0.030.030.04XYZ
X
Y
Z
OKLCH
0.3154 0.0143 279.88
0.31540.0143279.88LCH
Lightness
Chroma
Hue
OKLAB
0.3154 0 -0.01
0.31540-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons