Color

#b3379b

#b3379b
hex#b3379b
rgbrgb(179, 55, 155)
hslhsl(312, 53%, 46%)
oklchoklch(0.553 0.193 336.6)
Closest name: Fandango (#b53389)Relative luminance 0.1468

Colors that go with #b3379b

Sea Green, Denim and Charcoal 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 →

#37b350

#8e37b3 · #b3375c

#9bb337 · #379bb3

Split-complementary

Open in tool →

#5cb337 · #37b38e

#b38e37 · #37b350 · #375cb3

Contrast

#b3379b as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #942e80 as the text (7.09:1)
Aaon black
3.94:1failpassfail
  • AA: use #c33ca8 as the text (4.53:1)
  • AAA: use #d473c0 as the text (7.01:1)
  • AA: or shift the background to #ededed (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b3379b 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

#b3379b reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3379b
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 #b3379b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3379b-c19fb6-80cb62-2d1f24-efe9f1?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