Color

#1b2018

#1b2018
hex#1b2018
rgbrgb(27, 32, 24)
hslhsl(98, 14%, 11%)
oklchoklch(0.235 0.017 133.8)
Closest name: Underworld (#1e231c)Relative luminance 0.0133

Colors that go with #1b2018

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 #1b2018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d1820

#1f2018 · #182019

#181b20 · #20181b

Split-complementary

Open in tool →

#191820 · #20181f

#181f20 · #1d1820 · #201918

Contrast

#1b2018 as textRatioAAAA largeAAAFix
Aaon white
16.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #677a5c as the text (4.52:1)
  • AAA: use #889c7c as the text (7.09:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b2018 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b2018 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b2018
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 #1b2018 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b2018-a9bea2-644edf-1f2d20-f0f1e9?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