Color

#371872

#371872
hex#371872
rgbrgb(55, 24, 114)
hslhsl(261, 65%, 27%)
oklchoklch(0.316 0.142 291.8)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0268

Colors that go with #371872

Charcoal, Royal Blue and Crimson 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 →

#527218

#182672 · #641872

#723718 · #187237

Split-complementary

Open in tool →

#726418 · #267218

#721826 · #527218 · #187264

Contrast

#371872 as textRatioAAAA largeAAAFix
Aaon white
13.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #885bdc as the text (4.58:1)
  • AAA: use #a785e5 as the text (7.13:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (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 #371872 as the background.

Brands using this color

Fonts for this mood

#371872 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371872
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 #371872 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371872-af9cc4-dfcb4e-2a1f2d-e9eaf1?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