Color

#03402b

#03402b
hex#03402b
rgbrgb(3, 64, 43)
hslhsl(159, 91%, 13%)
oklchoklch(0.33 0.069 163.3)
Closest name: Lost in the Woods (#014426)Relative luminance 0.0386

Colors that go with #03402b

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 →

#3f0318

#033f0c · #03363f

#2a033f · #3f2a03

Split-complementary

Open in tool →

#3f0336 · #3f0c03

#0c033f · #3f0318 · #363f03

Contrast

#03402b as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #06885b as the text (4.68:1)
  • AAA: use #08aa72 as the text (7:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03402b as the background.

Brands using this color

Fonts for this mood

#03402b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03402b
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 #03402b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03402b-a2beb8-d459c0-1f2c2d-e9f1eb?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