Color

#11181d

#11181d
hex#11181d
rgbrgb(17, 24, 29)
hslhsl(205, 26%, 9%)
oklchoklch(0.204 0.015 239.5)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0086

Colors that go with #11181d

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 →

#1d1611

#111d1c · #11121d

#1d1118 · #181d11

Split-complementary

Open in tool →

#1d1112 · #1d1c11

#1c111d · #1d1611 · #121d11

Contrast

#11181d as textRatioAAAA largeAAAFix
Aaon white
17.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #577a94 as the text (4.62:1)
  • AAA: use #7b9bb2 as the text (7.17:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11181d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#11181d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11181d
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 #11181d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11181d-9cafc4-df4e58-1f212d-e9f1f0?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