Color

#4206db

#4206db
hex#4206db
rgbrgb(66, 6, 219)
hslhsl(257, 95%, 44%)
oklchoklch(0.433 0.263 277.8)
Closest name: Busty Blue (#3300cc)Relative luminance 0.064

Colors that go with #4206db

Charcoal, Cobalt Blue and Crimson 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 →

#9edb06

#0634db · #ad06db

#db4206 · #06db42

Split-complementary

Open in tool →

#dbad06 · #34db06

#db0634 · #9edb06 · #06dbad

Contrast

#4206db as textRatioAAAA largeAAAFix
Aaon white
9.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #8151fb as the text (4.5:1)
  • AAA: use #a583fc as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4206db 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

#4206db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4206db
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 #4206db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4206db-ac9cc4-dfc24e-291f2d-e9ebf1?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