Color

#20131b

#20131b
hex#20131b
rgbrgb(32, 19, 27)
hslhsl(323, 25%, 10%)
oklchoklch(0.208 0.026 342.1)
Closest name: Bats Cloak (#1f1518)Relative luminance 0.0085

Colors that go with #20131b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#132018

#1e1320 · #201315

#1b2013 · #131b20

Split-complementary

Open in tool →

#152013 · #13201e

#201e13 · #132018 · #131520

Contrast

#20131b as textRatioAAAA largeAAAFix
Aaon white
17.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #a16389 as the text (4.66:1)
  • AAA: use #b889a6 as the text (7.17:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20131b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#20131b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20131b
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 #20131b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20131b-c19fb0-6dcb62-2d1f22-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