Color

#0d3f2b

#0d3f2b
hex#0d3f2b
rgbrgb(13, 63, 43)
hslhsl(156, 66%, 15%)
oklchoklch(0.329 0.063 162.2)
Closest name: Queen of Trees (#1c401f)Relative luminance 0.0381

Colors that go with #0d3f2b

Crimson, 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 →

#3f0d21

#0d3f12 · #0d3a3f

#2b0d3f · #3f2b0d

Split-complementary

Open in tool →

#3f0d3a · #3f120d

#120d3f · #3f0d21 · #3a3f0d

Contrast

#0d3f2b as textRatioAAAA largeAAAFix
Aaon white
11.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #1c875c as the text (4.67:1)
  • AAA: use #24ae76 as the text (7.39:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d3f2b as the background.

Brands using this color

Fonts for this mood

#0d3f2b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d3f2b
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 #0d3f2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d3f2b-a2beb6-d459c6-1f2d2d-e9f1ea?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