Color

#3620df

#3620df
hex#3620df
rgbrgb(54, 32, 223)
hslhsl(247, 75%, 50%)
oklchoklch(0.444 0.26 273)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0715

Colors that go with #3620df

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 →

#c9df20

#2069df · #9620df

#df3620 · #20df36

Split-complementary

Open in tool →

#df9620 · #69df20

#df2069 · #c9df20 · #20df96

Contrast

#3620df as textRatioAAAA largeAAAFix
Aaon white
8.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #7263e9 as the text (4.68:1)
  • AAA: use #978bee as the text (7.24:1)
  • AA: or shift the background to #bdbdbd (4.6:1)
  • AAA: or shift the background to #e8e8e8 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3620df 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

#3620df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3620df
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 #3620df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3620df-a59cc4-dfaa4e-271f2d-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