Color

#512d80

#512d80
hex#512d80
rgbrgb(81, 45, 128)
hslhsl(266, 48%, 34%)
oklchoklch(0.388 0.135 300.1)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0518

Colors that go with #512d80

Royal Blue, Blue and Charcoal 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 →

#5c802d

#2d3380 · #7b2d80

#80512d · #2d8051

Split-complementary

Open in tool →

#807b2d · #33802d

#802d33 · #5c802d · #2d807b

Contrast

#512d80 as textRatioAAAA largeAAAFix
Aaon white
10.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #8d60c7 as the text (4.63:1)
  • AAA: use #a886d5 as the text (7.04:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #512d80 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

#512d80 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #512d80
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 #512d80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/512d80-b29cc4-dfd74e-2b1f2d-e9eaf1?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