Color

#6b67bc

#6b67bc
hex#6b67bc
rgbrgb(107, 103, 188)
hslhsl(243, 39%, 57%)
oklchoklch(0.557 0.129 283.5)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1646

Colors that go with #6b67bc

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 →

#b8bc67

#678dbc · #9667bc

#bc6b67 · #67bc6b

Split-complementary

Open in tool →

#bc9667 · #8dbc67

#bc678d · #b8bc67 · #67bc96

Contrast

#6b67bc as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #514cae as the text (7.01:1)
Aaon black
4.29:1failpassfail
  • AA: use #726ebf as the text (4.7:1)
  • AAA: use #9491cf as the text (7.21:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b67bc as the background.

Brands using this color

Fonts for this mood

#6b67bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b67bc
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 #6b67bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b67bc-a39cc4-dfa04e-261f2d-e9edf1?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