Color

#512357

#512357
hex#512357
rgbrgb(81, 35, 87)
hslhsl(293, 43%, 24%)
oklchoklch(0.344 0.102 322.9)
Closest name: Acai (#48295b)Relative luminance 0.0364

Colors that go with #512357

Sea Green, Blue and Cadet Blue 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 →

#295823

#372358 · #582343

#585123 · #235851

Split-complementary

Open in tool →

#435823 · #235837

#583723 · #295823 · #234358

Contrast

#512357 as textRatioAAAA largeAAAFix
Aaon white
12.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #ad50b9 as the text (4.62:1)
  • AAA: use #c17ccb as the text (7.01:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #512357 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

#512357 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #512357
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 #512357 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/512357-c19fc1-a1cb62-2d1f29-ece9f1?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