Color

#331e21

#331e21
hex#331e21
rgbrgb(51, 30, 33)
hslhsl(351, 26%, 16%)
oklchoklch(0.263 0.033 10.2)
Closest name: Bruised Plum (#3b1921)Relative luminance 0.0174

Colors that go with #331e21

Charcoal, Dark Olive Green and Sienna 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 #331e21

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e3330

#331e2c · #33261e

#21331e · #1e2133

Split-complementary

Open in tool →

#1e3326 · #1e2c33

#2c331e · #1e3330 · #261e33

Contrast

#331e21 as textRatioAAAA largeAAAFix
Aaon white
15.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #a3626b as the text (4.52:1)
  • AAA: use #bb8b92 as the text (7.22:1)
  • AA: or shift the background to #8a8a8a (4.51:1)
  • AAA: or shift the background to #b0b0b0 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331e21 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

#331e21 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331e21
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 #331e21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331e21-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