Color

#37101b

#37101b
hex#37101b
rgbrgb(55, 16, 27)
hslhsl(343, 55%, 14%)
oklchoklch(0.241 0.063 5.7)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0126

Colors that go with #37101b

Charcoal, Dark Olive Green and Sea Green 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 →

#10372c

#37102f · #371910

#1b3710 · #101b37

Split-complementary

Open in tool →

#103719 · #102f37

#2f3710 · #10372c · #191037

Contrast

#37101b as textRatioAAAA largeAAAFix
Aaon white
16.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #c9456b as the text (4.55:1)
  • AAA: use #d87994 as the text (7.08:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (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 #37101b 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

#37101b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37101b
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 #37101b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37101b-c49ca3-62cb7b-2d211f-f1e9ef?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