Color

#21130d

#21130d
hex#21130d
rgbrgb(33, 19, 13)
hslhsl(18, 43%, 9%)
oklchoklch(0.204 0.026 44)
Closest name: Italian Roast (#221111)Relative luminance 0.0082

Colors that go with #21130d

Charcoal, Amber and Blue 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 #21130d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d1b21

#210d11 · #211d0d

#0d2113 · #130d21

Split-complementary

Open in tool →

#0d211d · #0d1121

#11210d · #0d1b21 · #1d0d21

Contrast

#21130d as textRatioAAAA largeAAAFix
Aaon white
18.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #ab6344 as the text (4.6:1)
  • AAA: use #c5876d as the text (7.06:1)
  • AA: or shift the background to #808080 (4.57:1)
  • AAA: or shift the background to #a3a3a3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21130d 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

#21130d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #21130d
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 #21130d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21130d-c4ad9c-62cbb8-2d291f-f1e9eb?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