Color

#183e04

#183e04
hex#183e04
rgbrgb(24, 62, 4)
hslhsl(99, 88%, 13%)
oklchoklch(0.323 0.094 137.5)
Closest name: Melancholia (#12390d)Relative luminance 0.0365

Colors that go with #183e04

Crimson, Royal Blue 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 →

#2a043e

#363e04 · #043e0d

#04183e · #3e0418

Split-complementary

Open in tool →

#0d043e · #3e0436

#04363e · #2a043e · #3e0d04

Contrast

#183e04 as textRatioAAAA largeAAAFix
Aaon white
12.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #358609 as the text (4.57:1)
  • AAA: use #44ad0b as the text (7.23:1)
  • AA: or shift the background to #9e9e9e (4.53:1)
  • AAA: or shift the background to #c7c7c7 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183e04 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#183e04 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183e04
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 #183e04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183e04-a8bea2-664edf-1f2d21-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