Color

#371e4d

#371e4d
hex#371e4d
rgbrgb(55, 30, 77)
hslhsl(272, 44%, 21%)
oklchoklch(0.293 0.086 306.4)
Closest name: Fabric of Space (#341758)Relative luminance 0.0228

Colors that go with #371e4d

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 →

#344d1e

#201e4d · #4d1e4c

#4d371e · #1e4d37

Split-complementary

Open in tool →

#4c4d1e · #1e4d20

#4d201e · #344d1e · #1e4c4d

Contrast

#371e4d as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #925dc0 as the text (4.55:1)
  • AAA: use #ad86d0 as the text (7.1:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (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 #371e4d 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

#371e4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371e4d
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 #371e4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371e4d-b69cc4-c5cb62-2d1f2d-eae9f1?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