Color

#aa371d

#aa371d
hex#aa371d
rgbrgb(170, 55, 29)
hslhsl(11, 71%, 39%)
oklchoklch(0.502 0.155 34.1)
Closest name: Brick (#a03623)Relative luminance 0.1137

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d90aa

#aa1d4a · #aa7d1d

#1daa37 · #371daa

Split-complementary

Open in tool →

#1daa7d · #1d4aaa

#4aaa1d · #1d90aa · #7d1daa

Contrast

#aa371d as textRatioAAAA largeAAAFix
Aaon white
6.42:1passpassfail
  • AAA: use #9d331b as the text (7.18:1)
Aaon black
3.27:1failpassfail
  • AA: use #d14323 as the text (4.54:1)
  • AAA: use #e4765e as the text (7.05:1)
  • AA: or shift the background to #d9d9d9 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa371d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#aa371d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa371d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #aa371d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa371d-c4a89c-62cbab-2d281f-f1e9ec?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