Color

#37025e

#37025e
hex#37025e
rgbrgb(55, 2, 94)
hslhsl(275, 96%, 19%)
oklchoklch(0.274 0.141 303.1)
Closest name: Cotinga Purple (#340059)Relative luminance 0.0166

Colors that go with #37025e

Charcoal, Royal Blue and Cobalt Blue 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 →

#295f02

#0a025f · #5f0257

#5f3802 · #025f38

Split-complementary

Open in tool →

#575f02 · #025f0a

#5f0a02 · #295f02 · #02575f

Contrast

#37025e as textRatioAAAA largeAAAFix
Aaon white
15.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #a937fb as the text (4.63:1)
  • AAA: use #c373fc as the text (7.18:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37025e as the background.

Brands using this color

Fonts for this mood

#37025e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37025e
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 #37025e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37025e-b89cc4-c0cb62-2d1f2d-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