Color

#6903ce

#6903ce
hex#6903ce
rgbrgb(105, 3, 206)
hslhsl(270, 97%, 41%)
oklchoklch(0.456 0.249 295)
Closest name: Blurple (#5539cc)Relative luminance 0.0752

Colors that go with #6903ce

Olive Green, Charcoal and Denim 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 →

#69ce03

#0303ce · #ce03ce

#ce6903 · #03ce69

Split-complementary

Open in tool →

#cece03 · #03ce03

#ce0303 · #69ce03 · #03cece

Contrast

#6903ce as textRatioAAAA largeAAAFix
Aaon white
8.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #9e40fc as the text (4.59:1)
  • AAA: use #ba77fd as the text (7.14:1)
  • AA: or shift the background to #bfbfbf (4.56:1)
  • AAA: or shift the background to #ebebeb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6903ce 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

#6903ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6903ce
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 #6903ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6903ce-b59cc4-c9cb62-2c1f2d-eae9f1?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