Color

#a01f18

#a01f18
hex#a01f18
rgbrgb(160, 31, 24)
hslhsl(3, 74%, 36%)
oklchoklch(0.46 0.166 28.7)
Closest name: Antique Port Wine (#98211a)Relative luminance 0.0852

Colors that go with #a01f18

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 →

#1899a0

#a01855 · #a06318

#18a01f · #1f18a0

Split-complementary

Open in tool →

#18a063 · #1855a0

#55a018 · #1899a0 · #6318a0

Contrast

#a01f18 as textRatioAAAA largeAAAFix
Aaon white
7.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #df2f26 as the text (4.57:1)
  • AAA: use #e9736d as the text (7.14:1)
  • AA: or shift the background to #c7c7c7 (4.59:1)
  • AAA: or shift the background to #f5f5f5 (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 #a01f18 as the background.

Brands using this color

Fonts for this mood

#a01f18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a01f18
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 #a01f18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a01f18-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