Color

#181128

#181128
hex#181128
rgbrgb(24, 17, 40)
hslhsl(258, 40%, 11%)
oklchoklch(0.2 0.045 296.1)
Closest name: Corbeau (#111122)Relative luminance 0.0075

Colors that go with #181128

Charcoal, Dark Olive Green and Sea Green 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 →

#212711

#111527 · #231127

#271811 · #112718

Split-complementary

Open in tool →

#272311 · #152711

#271115 · #212711 · #112723

Contrast

#181128 as textRatioAAAA largeAAAFix
Aaon white
18.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #8065bd as the text (4.51:1)
  • AAA: use #a08dce as the text (7.2:1)
  • AA: or shift the background to #808080 (4.63:1)
  • AAA: or shift the background to #a1a1a1 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181128 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#181128 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181128
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 #181128 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181128-ad9cc4-dfc44e-291f2d-e9ebf1?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