Color

#57386b

#57386b
hex#57386b
rgbrgb(87, 56, 107)
hslhsl(276, 31%, 32%)
oklchoklch(0.4 0.09 310.9)
Closest name: Imperial Purple (#5b3167)Relative luminance 0.0592

Colors that go with #57386b

Crimson, Denim and Midnight 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 →

#4d6b38

#3d386b · #6b3866

#6b5738 · #386b57

Split-complementary

Open in tool →

#666b38 · #386b3d

#6b3d38 · #4d6b38 · #38666b

Contrast

#57386b as textRatioAAAA largeAAAFix
Aaon white
9.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #8f62ac as the text (4.51:1)
  • AAA: use #ab8ac1 as the text (7.14:1)
  • AA: or shift the background to #b3b3b3 (4.59:1)
  • AAA: or shift the background to #dedede (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57386b as the background.

Brands using this color

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

mcpConnect your agent — build around #57386b
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 #57386b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57386b-b99cc4-bfcb62-2d1f2d-eae9f1?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