Color

#70378b

#70378b
hex#70378b
rgbrgb(112, 55, 139)
hslhsl(281, 43%, 38%)
oklchoklch(0.449 0.142 313.5)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.0804

Colors that go with #70378b

Crimson, Denim 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 →

#528b37

#47378b · #8b377b

#8b7037 · #378b70

Split-complementary

Open in tool →

#7b8b37 · #378b47

#8b4737 · #528b37 · #377b8b

Contrast

#70378b as textRatioAAAA largeAAAFix
Aaon white
8.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #9c57bc as the text (4.5:1)
  • AAA: use #b683ce as the text (7.13:1)
  • AA: or shift the background to #c2c2c2 (4.52:1)
  • AAA: or shift the background to #f0f0f0 (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 #70378b as the background.

Brands using this color

Fonts for this mood

#70378b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #70378b
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 #70378b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/70378b-ba9fc1-b6cb62-2d1f2c-ebe9f1?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