Color

#371a4d

#371a4d
hex#371a4d
rgbrgb(55, 26, 77)
hslhsl(274, 50%, 20%)
oklchoklch(0.286 0.093 307.8)
Closest name: Fabric of Space (#341758)Relative luminance 0.0209

Colors that go with #371a4d

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 →

#304d1a

#1d1a4d · #4d1a49

#4d361a · #1a4d36

Split-complementary

Open in tool →

#494d1a · #1a4d1d

#4d1d1a · #304d1a · #1a494d

Contrast

#371a4d as textRatioAAAA largeAAAFix
Aaon white
14.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #995bc8 as the text (4.68:1)
  • AAA: use #b385d6 as the text (7.24:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #371a4d 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

#371a4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371a4d
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 #371a4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371a4d-b79cc4-c2cb62-2d1f2d-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