Color

#6336dd

#6336dd
hex#6336dd
rgbrgb(99, 54, 221)
hslhsl(256, 71%, 54%)
oklchoklch(0.498 0.234 286.8)
Closest name: Blurple (#5539cc)Relative luminance 0.1051

Colors that go with #6336dd

Charcoal, Royal Blue and Sea Green 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 →

#b1dd36

#365ddd · #b636dd

#dd6336 · #36dd63

Split-complementary

Open in tool →

#ddb636 · #5ddd36

#dd365d · #b1dd36 · #36ddb6

Contrast

#6336dd as textRatioAAAA largeAAAFix
Aaon white
6.77:1passpassfail
  • AAA: use #5f32dc as the text (7.06:1)
Aaon black
3.1:1failpassfail
  • AA: use #815ee4 as the text (4.65:1)
  • AAA: use #a085ea as the text (7.04:1)
  • AA: or shift the background to #d4d4d4 (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 #6336dd 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

#6336dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6336dd
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 #6336dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6336dd-ab9cc4-dfbf4e-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