Color

#183e23

#183e23
hex#183e23
rgbrgb(24, 62, 35)
hslhsl(137, 44%, 17%)
oklchoklch(0.328 0.065 150.8)
Closest name: Queen of Trees (#1c401f)Relative luminance 0.0376

Colors that go with #183e23

Royal Blue, 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 →

#3e1834

#213e18 · #183e36

#23183e · #3e2318

Split-complementary

Open in tool →

#36183e · #3e1821

#18213e · #3e1834 · #3e3618

Contrast

#183e23 as textRatioAAAA largeAAAFix
Aaon white
11.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #33844a as the text (4.54:1)
  • AAA: use #42a95f as the text (7.07:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183e23 as the background.

Brands using this color

Fonts for this mood

#183e23 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183e23
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 #183e23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183e23-a2bead-bb59d4-1f2d29-ebf1e9?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