Color

#a52818

#a52818
hex#a52818
rgbrgb(165, 40, 24)
hslhsl(7, 75%, 37%)
oklchoklch(0.477 0.164 30.9)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0958

Colors that go with #a52818

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 →

#1895a5

#a5184e · #a56f18

#18a528 · #2818a5

Split-complementary

Open in tool →

#18a56f · #184ea5

#4ea518 · #1895a5 · #6f18a5

Contrast

#a52818 as textRatioAAAA largeAAAFix
Aaon white
7.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #db351f as the text (4.54:1)
  • AAA: use #e97263 as the text (7.05:1)
  • AA: or shift the background to #cfcfcf (4.62:1)
  • AAA: or shift the background to #fcfcfc (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a52818 as the background.

Brands using this color

Fonts for this mood

#a52818 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a52818
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 #a52818 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a52818-c4a59c-62cba4-2d271f-f1e9ec?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