Color

#ab2131

#ab2131
hex#ab2131
rgbrgb(171, 33, 49)
hslhsl(353, 68%, 40%)
oklchoklch(0.485 0.172 21.1)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0997

Colors that go with #ab2131

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 →

#21ab9b

#ab2176 · #ab5621

#31ab21 · #2131ab

Split-complementary

Open in tool →

#21ab56 · #2176ab

#76ab21 · #21ab9b · #5621ab

Contrast

#ab2131 as textRatioAAAA largeAAAFix
Aaon white
7.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #d93649 as the text (4.57:1)
  • AAA: use #e4727f as the text (7.01:1)
  • AA: or shift the background to #cfcfcf (4.5:1)
  • AAA: or shift the background to #ffffff (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 #ab2131 as the background.

Brands using this color

Fonts for this mood

#ab2131 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ab2131
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 #ab2131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ab2131-c49c9c-62cb8c-2d241f-f1e9ee?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