Color

#6b73cc

#6b73cc
hex#6b73cc
rgbrgb(107, 115, 204)
hslhsl(235, 49%, 61%)
oklchoklch(0.59 0.135 277.5)
Closest name: Flood (#6677bb)Relative luminance 0.1975

Colors that go with #6b73cc

Charcoal, Sea Green and Amber 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 →

#ccc46b

#6ba4cc · #936bcc

#cc6b73 · #73cc6b

Split-complementary

Open in tool →

#cc936b · #a4cc6b

#cc6ba4 · #ccc46b · #6bcc93

Contrast

#6b73cc as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #636cca as the text (4.64:1)
  • AAA: use #414bbe as the text (7.06:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #8990d7 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b73cc as the background.

Brands using this color

Fonts for this mood

#6b73cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b73cc
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 #6b73cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b73cc-9e9cc4-df8d4e-241f2d-e9eef1?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