Color

#03870c

#03870c
hex#03870c
rgbrgb(3, 135, 12)
hslhsl(124, 96%, 27%)
oklchoklch(0.541 0.18 142.9)
Closest name: Fine Pine (#008800)Relative luminance 0.1737

Colors that go with #03870c

Royal Blue, Crimson and Denim 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 →

#87037e

#3c8703 · #03874e

#0c0387 · #870c03

Split-complementary

Open in tool →

#4e0387 · #87033c

#033c87 · #87037e · #874e03

Contrast

#03870c as textRatioAAAA largeAAAFix
Aaon white
4.69:1passpassfail
  • AAA: use #026409 as the text (7.42:1)
Aaon black
4.47:1failpassfail
  • AA: use #038c0c as the text (4.76:1)
  • AAA: use #04af0f as the text (7.14:1)
  • AA: or shift the background to #fcfcfc (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03870c as the background.

Brands using this color

Fonts for this mood

#03870c reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03870c
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 #03870c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03870c-a2bea7-a24edf-1f2d26-edf1e9?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