Color

#503539

#503539
hex#503539
rgbrgb(80, 53, 57)
hslhsl(351, 20%, 26%)
oklchoklch(0.362 0.039 9.4)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0455

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35504c

#503546 · #503e35

#395035 · #353950

Split-complementary

Open in tool →

#35503e · #354650

#465035 · #35504c · #3e3550

Contrast

#503539 as textRatioAAAA largeAAAFix
Aaon white
11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #9b6971 as the text (4.65:1)
  • AAA: use #b48e93 as the text (7.23:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #503539 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

#503539 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #503539
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #503539 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503539-c49c9e-62cb89-2d231f-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