Color

#a91e22

#a91e22
hex#a91e22
rgbrgb(169, 30, 34)
hslhsl(358, 70%, 39%)
oklchoklch(0.477 0.174 25.8)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0948

Colors that go with #a91e22

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 →

#1ea9a4

#a91e68 · #a95f1e

#22a91e · #1e22a9

Split-complementary

Open in tool →

#1ea95f · #1e68a9

#68a91e · #1ea9a4 · #5f1ea9

Contrast

#a91e22 as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #db3339 as the text (4.54:1)
  • AAA: use #e77478 as the text (7.17:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a91e22 as the background.

Brands using this color

Fonts for this mood

#a91e22 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a91e22
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 #a91e22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a91e22-c49f9c-62cb95-2d251f-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