Color

#370c27

#370c27
hex#370c27
rgbrgb(55, 12, 39)
hslhsl(322, 64%, 13%)
oklchoklch(0.24 0.077 345.8)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0122

Colors that go with #370c27

Charcoal, Crimson 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 →

#0c361b

#310c36 · #360c12

#27360c · #0c2736

Split-complementary

Open in tool →

#12360c · #0c3631

#36310c · #0c361b · #0c1236

Contrast

#370c27 as textRatioAAAA largeAAAFix
Aaon white
16.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #d12e95 as the text (4.54:1)
  • AAA: use #e071b7 as the text (7.22:1)
  • AA: or shift the background to #858585 (4.57:1)
  • AAA: or shift the background to #a8a8a8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #370c27 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

#370c27 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370c27
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 #370c27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370c27-c19fb1-6ecb62-2d1f22-f0e9f1?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