Sienna
Sienna Parameter Conversion Table
More converters →Sienna Color Schemes
Sienna WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Sienna Shade Variants
Gradient Generator →Sienna Color Introduction
Definition
Sienna (HEX #A0522D) has the RGB value rgb(160, 82, 45), the HSL value hsl(19°, 56%, 40%) and the CMYK print value cmyk(0%, 49%, 72%, 37%). In terms of color schemes, the complement of Sienna is #2D7BA0, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #A02D42 and #A08B2D that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#2DA08C, #2D42A0) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Sienna uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Sienna has a contrast ratio of 5.62:1 against white and 3.74:1 against black; paired with a white background it reaches AA, giving body text good readability.
Color Characteristics
Brown evokes soil, wood and coffee; its warm, substantial visual effect makes it almost irreplaceable in vintage, home and coffee and dining sectors. Specifically, Sienna has a lightness of 40% and a saturation of 56%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, its saturation is moderate, keeping the color’s emotional expression without becoming overly assertive. In a word: A reddish brown earth from Siena, Italy.
Color Psychology
Brown can evoke steadiness, warmth and dependability, with a marked calming effect; psychologically it symbolizes stability, simplicity and trust. For this reason Sienna tends to leave a first impression of being solid and dependable in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Brown suits coffee roasting, home furnishings, vintage brands and any scene that needs to convey a warm texture. In real projects, Sienna is also often used as a dark background or heading text color; in “Brown”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Sienna Featured In
This color is included in the following color cards and color families. Click a card to browse more colors in the corresponding collection.



