Color

#2b031d

#2b031d
hex#2b031d
rgbrgb(43, 3, 29)
hslhsl(321, 87%, 9%)
oklchoklch(0.198 0.075 345.3)
Closest name: Vienna Roast (#330022)Relative luminance 0.0067

Tints & shades

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

Harmonies

Complementary

Open in tool →

#032b11

#25032b · #2b0309

#1d2b03 · #031d2b

Split-complementary

Open in tool →

#092b03 · #032b25

#2b2503 · #032b11 · #03092b

Contrast

#2b031d as textRatioAAAA largeAAAFix
Aaon white
18.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #db0f94 as the text (4.51:1)
  • AAA: use #f45dbf as the text (7.16:1)
  • AA: or shift the background to #7d7d7d (4.5:1)
  • AAA: or shift the background to #a1a1a1 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b031d 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

#2b031d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b031d
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 #2b031d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b031d-c19fb1-70cb62-2d1f22-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