Color

#a9191c

#a9191c
hex#a9191c
rgbrgb(169, 25, 28)
hslhsl(359, 74%, 38%)
oklchoklch(0.473 0.178 26.7)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0921

Colors that go with #a9191c

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 →

#19a9a6

#a91963 · #a95f19

#1ca919 · #191ca9

Split-complementary

Open in tool →

#19a95f · #1963a9

#63a919 · #19a9a6 · #5f19a9

Contrast

#a9191c as textRatioAAAA largeAAAFix
Aaon white
7.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #df2a2d as the text (4.51:1)
  • AAA: use #ea7173 as the text (7.11:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a9191c as the background.

Brands using this color

Fonts for this mood

#a9191c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a9191c
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 #a9191c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9191c-c4a09c-62cb96-2d251f-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