Color

#3b2fbc

#3b2fbc
hex#3b2fbc
rgbrgb(59, 47, 188)
hslhsl(245, 60%, 46%)
oklchoklch(0.425 0.208 276.6)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0659

Colors that go with #3b2fbc

Charcoal, Sea Green and Steel 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 →

#b0bc2f

#2f6abc · #812fbc

#bc3b2f · #2fbc3b

Split-complementary

Open in tool →

#bc812f · #6abc2f

#bc2f6a · #b0bc2f · #2fbc81

Contrast

#3b2fbc as textRatioAAAA largeAAAFix
Aaon white
9.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #7168d9 as the text (4.68:1)
  • AAA: use #948de2 as the text (7.17:1)
  • AA: or shift the background to #b8b8b8 (4.57:1)
  • AAA: or shift the background to #e3e3e3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b2fbc 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

#3b2fbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b2fbc
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 #3b2fbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b2fbc-a49cc4-dfa54e-261f2d-e9ecf1?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