Color

#3935b6

#3935b6
hex#3935b6
rgbrgb(57, 53, 182)
hslhsl(242, 55%, 46%)
oklchoklch(0.426 0.195 275.6)
Closest name: Bluebell (#333399)Relative luminance 0.0679

Colors that go with #3935b6

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 →

#b2b635

#3571b6 · #7a35b6

#b63935 · #35b639

Split-complementary

Open in tool →

#b67a35 · #71b635

#b63571 · #b2b635 · #35b67a

Contrast

#3935b6 as textRatioAAAA largeAAAFix
Aaon white
8.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #6c69d3 as the text (4.6:1)
  • AAA: use #9390df as the text (7.3:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3935b6 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

#3935b6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3935b6
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 #3935b6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3935b6-a29cc4-df9e4e-261f2d-e9edf1?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