Color

#690ca7

#690ca7
hex#690ca7
rgbrgb(105, 12, 167)
hslhsl(276, 87%, 35%)
oklchoklch(0.421 0.212 304.5)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0606

Colors that go with #690ca7

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 →

#4aa70c

#1b0ca7 · #a70c97

#a7690c · #0ca769

Split-complementary

Open in tool →

#97a70c · #0ca71b

#a71b0c · #4aa70c · #0c97a7

Contrast

#690ca7 as textRatioAAAA largeAAAFix
Aaon white
9.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #a93bf1 as the text (4.58:1)
  • AAA: use #c275f5 as the text (7.16:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (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 #690ca7 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

#690ca7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #690ca7
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 #690ca7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/690ca7-b99cc4-bfcb62-2d1f2d-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