Color

#5a1155

#5a1155
hex#5a1155
rgbrgb(90, 17, 85)
hslhsl(304, 68%, 21%)
oklchoklch(0.336 0.132 331.1)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0323

Colors that go with #5a1155

Sea Green, Cream and Denim 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 →

#115a16

#3a115a · #5a1131

#555a11 · #11555a

Split-complementary

Open in tool →

#315a11 · #115a3a

#5a3a11 · #115a16 · #11315a

Contrast

#5a1155 as textRatioAAAA largeAAAFix
Aaon white
12.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #c926be as the text (4.5:1)
  • AAA: use #e265d9 as the text (7.1:1)
  • AA: or shift the background to #9c9c9c (4.65:1)
  • AAA: or shift the background to #c2c2c2 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a1155 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#5a1155 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a1155
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 #5a1155 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a1155-c19fba-8ecb62-2d1f26-eee9f1?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