Color

#56375c

#56375c
hex#56375c
rgbrgb(86, 55, 92)
hslhsl(290, 25%, 29%)
oklchoklch(0.388 0.072 320.9)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0548

Colors that go with #56375c

Sea Green, Blue and Copper 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 →

#3e5c37

#44375c · #5c3750

#5c5637 · #375c56

Split-complementary

Open in tool →

#505c37 · #375c44

#5c4437 · #3e5c37 · #37505c

Contrast

#56375c as textRatioAAAA largeAAAFix
Aaon white
10.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #9763a1 as the text (4.62:1)
  • AAA: use #b089b8 as the text (7.12:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #56375c as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#56375c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #56375c
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 #56375c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56375c-bf9fc1-a6cb62-2d1f29-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