Color

#b337f1

#b337f1
hex#b337f1
rgbrgb(179, 55, 241)
hslhsl(280, 87%, 58%)
oklchoklch(0.606 0.263 311.1)
Closest name: Magento (#bf3cff)Relative luminance 0.1867

Colors that go with #b337f1

Olive Drab, Charcoal and Denim 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 →

#75f137

#5637f1 · #f137d2

#f1b337 · #37f1b3

Split-complementary

Open in tool →

#d2f137 · #37f156

#f15637 · #75f137 · #37d2f1

Contrast

#b337f1 as textRatioAAAA largeAAAFix
Aaon white
4.44:1failpassfail
  • AA: use #b132f1 as the text (4.57:1)
  • AAA: use #8a0ec8 as the text (7.05:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.73:1passpassfail
  • AAA: use #c970f5 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b337f1 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

#b337f1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b337f1
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 #b337f1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b337f1-b99fc1-b8cb62-2d1f2c-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