Color

#a50e09

#a50e09
hex#a50e09
rgbrgb(165, 14, 9)
hslhsl(2, 90%, 34%)
oklchoklch(0.459 0.181 29.1)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0833

Colors that go with #a50e09

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#09a0a5

#a50951 · #a55c09

#09a50e · #0e09a5

Split-complementary

Open in tool →

#09a55c · #0951a5

#51a509 · #09a0a5 · #5c09a5

Contrast

#a50e09 as textRatioAAAA largeAAAFix
Aaon white
7.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #e9140c as the text (4.57:1)
  • AAA: use #f76964 as the text (7.16:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a50e09 as the background.

Brands using this color

Fonts for this mood

#a50e09 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a50e09
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 #a50e09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a50e09-c4a29c-62cb9c-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