Color

#673ed0

#673ed0
hex#673ed0
rgbrgb(103, 62, 208)
hslhsl(257, 61%, 53%)
oklchoklch(0.5 0.211 289.4)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.1088

Colors that go with #673ed0

Charcoal, Royal Blue 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 →

#a7d03e

#3e5ed0 · #b13ed0

#d0673e · #3ed067

Split-complementary

Open in tool →

#d0b13e · #5ed03e

#d03e5e · #a7d03e · #3ed0b1

Contrast

#673ed0 as textRatioAAAA largeAAAFix
Aaon white
6.61:1passpassfail
  • AAA: use #6136ce as the text (7.17:1)
Aaon black
3.18:1failpassfail
  • AA: use #815fd8 as the text (4.56:1)
  • AAA: use #a288e2 as the text (7.16:1)
  • AA: or shift the background to #d6d6d6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673ed0 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

#673ed0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673ed0
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 #673ed0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673ed0-ac9cc4-dfc24e-291f2d-e9ebf1?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