Color

#a42d37

#a42d37
hex#a42d37
rgbrgb(164, 45, 55)
hslhsl(355, 57%, 41%)
oklchoklch(0.484 0.155 20.7)
Closest name: brown (#a52a2a)Relative luminance 0.1005

Colors that go with #a42d37

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 →

#2da49a

#a42d72 · #a45f2d

#37a42d · #2d37a4

Split-complementary

Open in tool →

#2da45f · #2d72a4

#72a42d · #2da49a · #5f2da4

Contrast

#a42d37 as textRatioAAAA largeAAAFix
Aaon white
6.98:1passpassfail
  • AAA: use #a02c36 as the text (7.22:1)
Aaon black
3.01:1failpassfail
  • AA: use #cd4752 as the text (4.62:1)
  • AAA: use #db7b83 as the text (7.17:1)
  • AA: or shift the background to #d1d1d1 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a42d37 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

#a42d37 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a42d37
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 #a42d37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a42d37-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