Color

#2b031b

#2b031b
hex#2b031b
rgbrgb(43, 3, 27)
hslhsl(324, 87%, 9%)
oklchoklch(0.197 0.074 348.1)
Closest name: Vienna Roast (#330022)Relative luminance 0.0066

Tints & shades

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

Harmonies

Complementary

Open in tool →

#032b13

#27032b · #2b0307

#1b2b03 · #031b2b

Split-complementary

Open in tool →

#072b03 · #032b27

#2b2703 · #032b13 · #03072b

Contrast

#2b031b as textRatioAAAA largeAAAFix
Aaon white
18.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #e0108d as the text (4.63:1)
  • AAA: use #f45db7 as the text (7.1:1)
  • AA: or shift the background to #7d7d7d (4.51:1)
  • AAA: or shift the background to #a1a1a1 (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 #2b031b 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

#2b031b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b031b
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 #2b031b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b031b-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