Color

#670cb0

#670cb0
hex#670cb0
rgbrgb(103, 12, 176)
hslhsl(273, 87%, 37%)
oklchoklch(0.427 0.219 301.1)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0628

Colors that go with #670cb0

Olive Green, Teal and Sea Green 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 →

#56b00c

#140cb0 · #b00ca8

#b0670c · #0cb067

Split-complementary

Open in tool →

#a8b00c · #0cb014

#b0140c · #56b00c · #0ca8b0

Contrast

#670cb0 as textRatioAAAA largeAAAFix
Aaon white
9.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #a240f2 as the text (4.55:1)
  • AAA: use #be79f6 as the text (7.26:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #670cb0 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

#670cb0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #670cb0
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 #670cb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/670cb0-b79cc4-c4cb62-2d1f2d-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