Color

#4d375c

#4d375c
hex#4d375c
rgbrgb(77, 55, 92)
hslhsl(276, 25%, 29%)
oklchoklch(0.378 0.067 310.7)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0508

Colors that go with #4d375c

Blue, Blush Pink 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 →

#465c37

#3b375c · #5c3759

#5c4e37 · #375c4e

Split-complementary

Open in tool →

#595c37 · #375c3b

#5c3b37 · #465c37 · #37595c

Contrast

#4d375c as textRatioAAAA largeAAAFix
Aaon white
10.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #8b66a3 as the text (4.53:1)
  • AAA: use #a88cba as the text (7.13:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d375c 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

#4d375c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d375c
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 #4d375c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d375c-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