Color

#6913b4

#6913b4
hex#6913b4
rgbrgb(105, 19, 180)
hslhsl(272, 81%, 39%)
oklchoklch(0.437 0.22 300.6)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0676

Colors that go with #6913b4

Olive Green, Charcoal and Tomato 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 →

#5eb413

#1813b4 · #b413af

#b46913 · #13b469

Split-complementary

Open in tool →

#afb413 · #13b418

#b41813 · #5eb413 · #13afb4

Contrast

#6913b4 as textRatioAAAA largeAAAFix
Aaon white
8.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #9f46ec as the text (4.56:1)
  • AAA: use #b979f1 as the text (7.07:1)
  • AA: or shift the background to #bababa (4.6:1)
  • AAA: or shift the background to #e6e6e6 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6913b4 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

#6913b4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6913b4
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 #6913b4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6913b4-b69cc4-c5cb62-2d1f2d-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