Color

#ac2a35

#ac2a35
hex#ac2a35
rgbrgb(172, 42, 53)
hslhsl(355, 61%, 42%)
oklchoklch(0.495 0.166 21.4)
Closest name: brown (#a52a2a)Relative luminance 0.1068

Colors that go with #ac2a35

Royal Blue, Teal and Amber 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 →

#2aaca2

#ac2a76 · #ac602a

#35ac2a · #2a35ac

Split-complementary

Open in tool →

#2aac60 · #2a76ac

#76ac2a · #2aaca2 · #602aac

Contrast

#ac2a35 as textRatioAAAA largeAAAFix
Aaon white
6.69:1passpassfail
  • AAA: use #a42832 as the text (7.17:1)
Aaon black
3.14:1failpassfail
  • AA: use #d1424e as the text (4.6:1)
  • AAA: use #de7880 as the text (7.1:1)
  • AA: or shift the background to #d4d4d4 (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 #ac2a35 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

#ac2a35 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ac2a35
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 #ac2a35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ac2a35-c49e9c-62cb8f-2d241f-f1e9ee?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