Color

#18443b

#18443b
hex#18443b
rgbrgb(24, 68, 59)
hslhsl(168, 48%, 18%)
oklchoklch(0.353 0.051 177.5)
Closest name: Everglade (#264334)Relative luminance 0.0464

Colors that go with #18443b

Sea Green, Teal and Amber 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 →

#441821

#184425 · #183744

#3b1844 · #443b18

Split-complementary

Open in tool →

#441837 · #442518

#251844 · #441821 · #374418

Contrast

#18443b as textRatioAAAA largeAAAFix
Aaon white
10.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #2e8473 as the text (4.66:1)
  • AAA: use #3aa691 as the text (7.04:1)
  • AA: or shift the background to #a8a8a8 (4.58:1)
  • AAA: or shift the background to #d1d1d1 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18443b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#18443b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18443b
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 #18443b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18443b-a2bebc-d459ad-1f2a2d-e9f1ec?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