Color

#16181d

#16181d
hex#16181d
rgbrgb(22, 24, 29)
hslhsl(223, 14%, 10%)
oklchoklch(0.209 0.01 268.2)
Closest name: Eigengrau (#16161d)Relative luminance 0.0091

Colors that go with #16181d

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 →

#1d1b16

#161c1d · #17161d

#1d1618 · #181d16

Split-complementary

Open in tool →

#1d1716 · #1c1d16

#1d161c · #1d1b16 · #161d17

Contrast

#16181d as textRatioAAAA largeAAAFix
Aaon white
17.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #6b758e as the text (4.56:1)
  • AAA: use #8e96a9 as the text (7.09:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16181d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#16181d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16181d
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 #16181d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16181d-9ca3c4-df704e-211f2d-e9eff1?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