Color

#a0231c

#a0231c
hex#a0231c
rgbrgb(160, 35, 28)
hslhsl(3, 70%, 37%)
oklchoklch(0.463 0.162 28.5)
Closest name: Antique Port Wine (#98211a)Relative luminance 0.0876

Colors that go with #a0231c

Royal Blue, Teal and Champagne 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 →

#1c9aa0

#a01c58 · #a0651c

#1ca023 · #231ca0

Split-complementary

Open in tool →

#1ca065 · #1c58a0

#58a01c · #1c9aa0 · #651ca0

Contrast

#a0231c as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #da372f as the text (4.57:1)
  • AAA: use #e67670 as the text (7.19:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a0231c as the background.

Brands using this color

Fonts for this mood

#a0231c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a0231c
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 #a0231c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a0231c-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