Color

#690ce4

#690ce4
hex#690ce4
rgbrgb(105, 12, 228)
hslhsl(266, 90%, 47%)
oklchoklch(0.481 0.266 290.5)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0887

Colors that go with #690ce4

Royal Blue, Olive Green and Charcoal 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 →

#86e40c

#0c1ae4 · #d50ce4

#e4690c · #0ce469

Split-complementary

Open in tool →

#e4d50c · #1ae40c

#e40c1a · #86e40c · #0ce4d5

Contrast

#690ce4 as textRatioAAAA largeAAAFix
Aaon white
7.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #954cf6 as the text (4.64:1)
  • AAA: use #b27cf8 as the text (7.13:1)
  • AA: or shift the background to #c9c9c9 (4.57:1)
  • AAA: or shift the background to #f7f7f7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #690ce4 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

#690ce4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #690ce4
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 #690ce4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/690ce4-b29cc4-dfd74e-2b1f2d-e9eaf1?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