Color

#90231d

#90231d
hex#90231d
rgbrgb(144, 35, 29)
hslhsl(3, 66%, 34%)
oklchoklch(0.434 0.146 28.1)
Closest name: Antique Port Wine (#98211a)Relative luminance 0.0722

Colors that go with #90231d

Teal, Champagne and Denim 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 →

#1d8a90

#901d51 · #905c1d

#1d9023 · #231d90

Split-complementary

Open in tool →

#1d905c · #1d5190

#51901d · #1d8a90 · #5c1d90

Contrast

#90231d as textRatioAAAA largeAAAFix
Aaon white
8.59:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #d53c34 as the text (4.53:1)
  • AAA: use #e2756f as the text (7.01:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #90231d 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

#90231d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90231d
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 #90231d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90231d-c4a39c-62cb9d-2d261f-f1e9ed?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