Color

#a30537

#a30537
hex#a30537
rgbrgb(163, 5, 55)
hslhsl(341, 94%, 33%)
oklchoklch(0.457 0.18 14.2)
Closest name: Cranberry (#9e003a)Relative luminance 0.0817

Colors that go with #a30537

Royal Blue, Teal and Crimson 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.

Real palettes that use #a30537

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#05a371

#a30586 · #a32205

#37a305 · #0537a3

Split-complementary

Open in tool →

#05a322 · #0586a3

#86a305 · #05a371 · #2205a3

Contrast

#a30537 as textRatioAAAA largeAAAFix
Aaon white
7.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #e9074f as the text (4.61:1)
  • AAA: use #fa6191 as the text (7.18:1)
  • AA: or shift the background to #c4c4c4 (4.57:1)
  • AAA: or shift the background to #f2f2f2 (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 #a30537 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#a30537 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a30537
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 #a30537 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a30537-c49ca4-62cb77-2d211f-f1e9ef?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