Color

#3936f2

#3936f2
hex#3936f2
rgbrgb(57, 54, 242)
hslhsl(241, 88%, 58%)
oklchoklch(0.489 0.265 271.6)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0992

Colors that go with #3936f2

Charcoal, Sea Green and Amber 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 →

#eff236

#3691f2 · #9736f2

#f23936 · #36f239

Split-complementary

Open in tool →

#f29736 · #91f236

#f23691 · #eff236 · #36f297

Contrast

#3936f2 as textRatioAAAA largeAAAFix
Aaon white
7.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #6361f5 as the text (4.56:1)
  • AAA: use #8e8cf8 as the text (7.26:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3936f2 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

#3936f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3936f2
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 #3936f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3936f2-a19cc4-df9b4e-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