Color

#690bc1

#690bc1
hex#690bc1
rgbrgb(105, 11, 193)
hslhsl(271, 89%, 40%)
oklchoklch(0.446 0.235 297.7)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0709

Colors that go with #690bc1

Olive Green, Charcoal and Royal Blue 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 →

#63c10b

#0e0bc1 · #c10bbe

#c1690b · #0bc169

Split-complementary

Open in tool →

#bec10b · #0bc10e

#c10e0b · #63c10b · #0bbec1

Contrast

#690bc1 as textRatioAAAA largeAAAFix
Aaon white
8.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #9f43f4 as the text (4.58:1)
  • AAA: use #ba78f7 as the text (7.12:1)
  • AA: or shift the background to #bdbdbd (4.62:1)
  • AAA: or shift the background to #e8e8e8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #690bc1 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

#690bc1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #690bc1
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 #690bc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/690bc1-b59cc4-c7cb62-2c1f2d-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