Color

#313f1d

#313f1d
hex#313f1d
rgbrgb(49, 63, 29)
hslhsl(85, 37%, 18%)
oklchoklch(0.346 0.057 127.5)
Closest name: Forestry (#2f441f)Relative luminance 0.043

Colors that go with #313f1d

Sea Green, Steel Blue 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 →

#2b1d3f

#3f3c1d · #203f1d

#1d313f · #3f1d31

Split-complementary

Open in tool →

#1d203f · #3c1d3f

#1d3f3c · #2b1d3f · #3f1d20

Contrast

#313f1d as textRatioAAAA largeAAAFix
Aaon white
11.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #617e3a as the text (4.55:1)
  • AAA: use #7da14a as the text (7.07:1)
  • AA: or shift the background to #a6a6a6 (4.64:1)
  • AAA: or shift the background to #cccccc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #313f1d 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

#313f1d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #313f1d
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 #313f1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/313f1d-afbea2-4e58df-212d1f-f1f0e9?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