Color

#aa2727

#aa2727
hex#aa2727
rgbrgb(170, 39, 39)
hslhsl(0, 63%, 41%)
oklchoklch(0.487 0.168 26.1)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1014

Colors that go with #aa2727

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 →

#27aaaa

#aa2769 · #aa6927

#27aa27 · #2727aa

Split-complementary

Open in tool →

#27aa69 · #2769aa

#69aa27 · #27aaaa · #6927aa

Contrast

#aa2727 as textRatioAAAA largeAAAFix
Aaon white
6.93:1passpassfail
  • AAA: use #a62626 as the text (7.18:1)
Aaon black
3.03:1failpassfail
  • AA: use #d44040 as the text (4.61:1)
  • AAA: use #e07676 as the text (7.02:1)
  • AA: or shift the background to #d1d1d1 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa2727 as the background.

Brands using this color

Fonts for this mood

#aa2727 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa2727
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 #aa2727 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa2727-c4a19c-62cb98-2d251f-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