Color

#393bd0

#393bd0
hex#393bd0
rgbrgb(57, 59, 208)
hslhsl(239, 62%, 52%)
oklchoklch(0.461 0.221 273)
Closest name: Blurple (#5539cc)Relative luminance 0.0855

Colors that go with #393bd0

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 →

#d0ce39

#3987d0 · #8239d0

#d0393b · #3bd039

Split-complementary

Open in tool →

#d08239 · #87d039

#d03987 · #d0ce39 · #39d082

Contrast

#393bd0 as textRatioAAAA largeAAAFix
Aaon white
7.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #6668db as the text (4.57:1)
  • AAA: use #8b8de4 as the text (7.03:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393bd0 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

#393bd0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393bd0
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 #393bd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393bd0-a09cc4-df964e-251f2d-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