Color

#6c99bc

#6c99bc
hex#6c99bc
rgbrgb(108, 153, 188)
hslhsl(206, 37%, 58%)
oklchoklch(0.664 0.072 242.5)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.296

Colors that go with #6c99bc

Charcoal, Peru 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.

Real palettes that use #6c99bc

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bc8f6c

#6cbcb6 · #6c72bc

#bc6c99 · #99bc6c

Split-complementary

Open in tool →

#bc6c72 · #bcb66c

#b66cbc · #bc8f6c · #72bc6c

Contrast

#6c99bc as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #4a7ba1 as the text (4.53:1)
  • AAA: use #375b77 as the text (7.18:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.92:1passpassfail
  • AAA: use #709cbd as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c99bc 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

#6c99bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6c99bc
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 #6c99bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c99bc-9caec4-df4e56-1f212d-e9f1f1?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