Color

#37391d

#37391d
hex#37391d
rgbrgb(55, 57, 29)
hslhsl(64, 33%, 17%)
oklchoklch(0.335 0.045 112.1)
Closest name: Graphite (#383428)Relative luminance 0.0383

Colors that go with #37391d

Royal Blue, Sea Green and Sienna 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 →

#1f1d3a

#3a2d1d · #293a1d

#1d383a · #3a1d38

Split-complementary

Open in tool →

#1d293a · #2d1d3a

#1d3a2d · #1f1d3a · #3a1d29

Contrast

#37391d as textRatioAAAA largeAAAFix
Aaon white
11.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #767a3e as the text (4.62:1)
  • AAA: use #979c4f as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37391d 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

#37391d reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37391d
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 #37391d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37391d-b9bea2-4e8adf-262d1f-f1eee9?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