Color

#331f2b

#331f2b
hex#331f2b
rgbrgb(51, 31, 43)
hslhsl(324, 24%, 16%)
oklchoklch(0.27 0.037 343.1)
Closest name: Aubergine (#372528)Relative luminance 0.0186

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f3327

#311f33 · #331f21

#2b331f · #1f2b33

Split-complementary

Open in tool →

#21331f · #1f3331

#33311f · #1f3327 · #1f2133

Contrast

#331f2b as textRatioAAAA largeAAAFix
Aaon white
15.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #9e6186 as the text (4.51:1)
  • AAA: use #b78aa5 as the text (7.19:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (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 #331f2b 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

#331f2b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331f2b
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 #331f2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331f2b-c19faf-6bcb62-2d1f22-f0e9f1?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