Color

#a3552e

#a3552e
hex#a3552e
rgbrgb(163, 85, 46)
hslhsl(20, 56%, 41%)
oklchoklch(0.536 0.116 45.6)
Closest name: sienna (#a0522d)Relative luminance 0.1448

Colors that go with #a3552e

Crimson, Denim and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2e7ca3

#a32e42 · #a3902e

#2ea355 · #552ea3

Split-complementary

Open in tool →

#2ea390 · #2e42a3

#42a32e · #2e7ca3 · #902ea3

Contrast

#a3552e as textRatioAAAA largeAAAFix
Aaon white
5.39:1passpassfail
  • AAA: use #874726 as the text (7.1:1)
Aaon black
3.9:1failpassfail
  • AA: use #b35d32 as the text (4.53:1)
  • AAA: use #d1835c as the text (7.11:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a3552e as the background.

Brands using this color

Fonts for this mood

#a3552e reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a3552e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a3552e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3552e-c4ae9c-62cbbb-2d2a1f-f1e9eb?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md