Color

#3210da

#3210da
hex#3210da
rgbrgb(50, 16, 218)
hslhsl(250, 86%, 46%)
oklchoklch(0.425 0.263 272.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0611

Colors that go with #3210da

Charcoal, Cobalt Blue and Cornflower 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 →

#b9da10

#1054da · #9710da

#da3210 · #10da32

Split-complementary

Open in tool →

#da9710 · #54da10

#da1054 · #b9da10 · #10da97

Contrast

#3210da as textRatioAAAA largeAAAFix
Aaon white
9.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #775ef3 as the text (4.68:1)
  • AAA: use #9b88f6 as the text (7.25:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3210da 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

#3210da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3210da
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 #3210da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3210da-a79cc4-dfb14e-281f2d-e9ecf1?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