Color

#90378d

#90378d
hex#90378d
rgbrgb(144, 55, 141)
hslhsl(302, 45%, 39%)
oklchoklch(0.494 0.16 329)
Closest name: Noble Plum (#871f78)Relative luminance 0.1058

Colors that go with #90378d

Sea Green, Denim and Teal 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 →

#37903a

#663790 · #903760

#8d9037 · #378d90

Split-complementary

Open in tool →

#609037 · #379066

#906637 · #37903a · #376090

Contrast

#90378d as textRatioAAAA largeAAAFix
Aaon white
6.74:1passpassfail
  • AAA: use #893486 as the text (7.24:1)
Aaon black
3.12:1failpassfail
  • AA: use #b946b5 as the text (4.61:1)
  • AAA: use #cd7aca as the text (7.23:1)
  • AA: or shift the background to #d4d4d4 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #90378d 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

#90378d reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90378d
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 #90378d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90378d-c19fbc-91cb62-2d1f27-eee9f1?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