Color

#3946d5

#3946d5
hex#3946d5
rgbrgb(57, 70, 213)
hslhsl(235, 65%, 53%)
oklchoklch(0.482 0.216 271.3)
Closest name: Blurple (#5539cc)Relative luminance 0.1005

Colors that go with #3946d5

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.

Real palettes that use #3946d5

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#d5c839

#3994d5 · #7a39d5

#d53946 · #46d539

Split-complementary

Open in tool →

#d57a39 · #94d539

#d53994 · #d5c839 · #39d57a

Contrast

#3946d5 as textRatioAAAA largeAAAFix
Aaon white
6.97:1passpassfail
  • AAA: use #3542d4 as the text (7.29:1)
Aaon black
3.01:1failpassfail
  • AA: use #5f6add as the text (4.59:1)
  • AAA: use #8991e6 as the text (7.26:1)
  • AA: or shift the background to #d1d1d1 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3946d5 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

#3946d5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3946d5
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 #3946d5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3946d5-9e9cc4-df8d4e-241f2d-e9eef1?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