Color

#503a3c

#503a3c
hex#503a3c
rgbrgb(80, 58, 60)
hslhsl(355, 16%, 27%)
oklchoklch(0.374 0.031 12.6)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0506

Colors that go with #503a3c

Dark Olive Green, Steel Blue and Teal 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.

Real palettes that use #503a3c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3a504e

#503a47 · #50433a

#3c503a · #3a3c50

Split-complementary

Open in tool →

#3a5043 · #3a4750

#47503a · #3a504e · #433a50

Contrast

#503a3c as textRatioAAAA largeAAAFix
Aaon white
10.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #946b6e as the text (4.59:1)
  • AAA: use #ae8f91 as the text (7.14:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #503a3c 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

#503a3c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #503a3c
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 #503a3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503a3c-c49e9c-62cb8f-2d241f-f1e9ee?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