Color

#2b100d

#2b100d
hex#2b100d
rgbrgb(43, 16, 13)
hslhsl(6, 54%, 11%)
oklchoklch(0.214 0.046 28)
Closest name: Italian Roast (#221111)Relative luminance 0.0091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d282b

#2b0d19 · #2b1f0d

#0d2b10 · #100d2b

Split-complementary

Open in tool →

#0d2b1f · #0d192b

#192b0d · #0d282b · #1f0d2b

Contrast

#2b100d as textRatioAAAA largeAAAFix
Aaon white
17.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #c64c3f as the text (4.51:1)
  • AAA: use #d67f76 as the text (7.16:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b100d 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

#2b100d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b100d
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 #2b100d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b100d-c4a59c-62cba3-2d271f-f1e9ec?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