Color

#370f39

#370f39
hex#370f39
rgbrgb(55, 15, 57)
hslhsl(297, 58%, 14%)
oklchoklch(0.255 0.088 325.8)
Closest name: Dark Purple (#35063e)Relative luminance 0.0145

Colors that go with #370f39

Blue Violet, Charcoal 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 →

#11380f

#220f38 · #380f26

#38360f · #0f3836

Split-complementary

Open in tool →

#26380f · #0f3822

#38220f · #11380f · #0f2638

Contrast

#370f39 as textRatioAAAA largeAAAFix
Aaon white
16.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #c236c9 as the text (4.66:1)
  • AAA: use #d472da as the text (7.22:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #370f39 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

#370f39 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370f39
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 #370f39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370f39-c19fbe-9acb62-2d1f28-ede9f1?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