Color

#371e52

#371e52
hex#371e52
rgbrgb(55, 30, 82)
hslhsl(269, 46%, 22%)
oklchoklch(0.297 0.093 303.4)
Closest name: Fabric of Space (#341758)Relative luminance 0.0235

Colors that go with #371e52

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 →

#39521e

#1e1f52 · #511e52

#52371e · #1e5237

Split-complementary

Open in tool →

#52511e · #1f521e

#521e1f · #39521e · #1e5251

Contrast

#371e52 as textRatioAAAA largeAAAFix
Aaon white
14.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #905fc4 as the text (4.62:1)
  • AAA: use #ac88d3 as the text (7.22:1)
  • AA: or shift the background to #919191 (4.53:1)
  • AAA: or shift the background to #b8b8b8 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #371e52 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

#371e52 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371e52
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 #371e52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371e52-b49cc4-cbcb62-2c1f2d-e9e9f1?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