Color

#691eb8

#691eb8
hex#691eb8
rgbrgb(105, 30, 184)
hslhsl(269, 72%, 42%)
oklchoklch(0.447 0.216 298.8)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0739

Colors that go with #691eb8

Olive Green, Charcoal and Teal 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 →

#6eb81e

#1e21b8 · #b61eb8

#b8691e · #1eb869

Split-complementary

Open in tool →

#b8b61e · #21b81e

#b81e21 · #6eb81e · #1eb8b6

Contrast

#691eb8 as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #9750e2 as the text (4.56:1)
  • AAA: use #b380ea as the text (7.19:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #691eb8 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

#691eb8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #691eb8
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 #691eb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/691eb8-b49cc4-cbcb62-2c1f2d-e9e9f1?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