Color

#3935ac

#3935ac
hex#3935ac
rgbrgb(57, 53, 172)
hslhsl(242, 53%, 44%)
oklchoklch(0.416 0.183 276.4)
Closest name: Bluebell (#333399)Relative luminance 0.0639

Colors that go with #3935ac

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 →

#a8ac35

#356cac · #7435ac

#ac3935 · #35ac39

Split-complementary

Open in tool →

#ac7435 · #6cac35

#ac356c · #a8ac35 · #35ac74

Contrast

#3935ac as textRatioAAAA largeAAAFix
Aaon white
9.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #6e6bd1 as the text (4.69:1)
  • AAA: use #908edc as the text (7.09:1)
  • AA: or shift the background to #b8b8b8 (4.65:1)
  • AAA: or shift the background to #e3e3e3 (7.18:1)

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

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

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

tool url/palettes/new/3935ac-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