Color

#a21179

#a21179
hex#a21179
rgbrgb(162, 17, 121)
hslhsl(317, 81%, 35%)
oklchoklch(0.482 0.196 343.8)
Closest name: Katy Berry (#aa0077)Relative luminance 0.0946

Colors that go with #a21179

Denim, Sea Green and Forest Green 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 →

#11a23a

#8211a2 · #a21130

#79a211 · #1179a2

Split-complementary

Open in tool →

#30a211 · #11a282

#a28211 · #11a23a · #1130a2

Contrast

#a21179 as textRatioAAAA largeAAAFix
Aaon white
7.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #d917a2 as the text (4.59:1)
  • AAA: use #ee5dc5 as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (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 #a21179 as the background.

Brands using this color

Fonts for this mood

#a21179 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a21179
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 #a21179 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a21179-c19fb3-77cb62-2d1f23-efe9f1?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