Onion

#28290B

General Information about #28290B (Onion)

The hexadecimal color code #28290B, often referred to as "Onion", represents a dark shade of olive green or brown. It's composed of 15.7% red, 16.1% green, and 4.3% blue. In the RGB color model, this translates to R:40, G:41, B:11. The color is characterized by its low saturation and luminance, resulting in a muted, earthy tone. Due to its dark nature, #28290B is not typically used as a primary color but is better suited for accent elements or backgrounds where a subtle, understated presence is desired. Its hexadecimal nature means that its most suitable for digital media but can be translated into other color models such as CMYK for printing purposes. Its similar to dark olive and forest green.

The hex color #28290B, also known as Onion, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance value of approximately 3.5 cd/m² results in poor contrast against both white and black backgrounds. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text. This color fails to meet these standards, making text rendered in #28290B difficult to read. To improve accessibility, consider using lighter text colors on a #28290B background or, conversely, using #28290B as a background color for lighter text. Additionally, avoid using this color to convey important information without providing alternative cues, such as icons or text labels, to ensure that all users can access the content effectively. Tools like contrast checkers can assist in evaluating and adjusting color combinations for optimal readability.

Shades

Digital Color Formats

RGB
40 41 11
RGB40 41 11
Red
Green
Blue
HSL
62deg 57.69% 10.2%
6257.6910.2HSL
Hue
Saturation
Lightness
HWB
62deg 4.31% 83.92%
624.3183.92HWB
Hue
Whiteness
Blackness
hex#28290B
rgb40 41 11
hsl62deg 57.69% 10.2%
cmyk2.44% 0% 73.17% 83.92%
hwb62deg 4.31% 83.92%
xyz-d650.02 0.02 0.01
oklch0.2722 0.047 110.94
oklab0.2722 -0.02 0.04
CMYK
2.44% 0% 73.17% 83.92%
2.44073.1783.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.02 0.01
0.020.020.01XYZ
X
Y
Z
OKLCH
0.2722 0.047 110.94
0.27220.047110.94LCH
Lightness
Chroma
Hue
OKLAB
0.2722 -0.02 0.04
0.2722-0.020.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons