Color

#a42830

#a42830
hex#a42830
rgbrgb(164, 40, 48)
hslhsl(356, 61%, 40%)
oklchoklch(0.478 0.16 22.5)
Closest name: brown (#a52a2a)Relative luminance 0.0962

Colors that go with #a42830

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 →

#28a49c

#a4286e · #a45e28

#30a428 · #2830a4

Split-complementary

Open in tool →

#28a45e · #286ea4

#6ea428 · #28a49c · #5e28a4

Contrast

#a42830 as textRatioAAAA largeAAAFix
Aaon white
7.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #d1424c as the text (4.59:1)
  • AAA: use #de787e as the text (7.09:1)
  • AA: or shift the background to #cfcfcf (4.61:1)
  • AAA: or shift the background to #ffffff (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a42830 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

#a42830 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a42830
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 #a42830 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a42830-c49e9c-62cb91-2d241f-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