Color

#6ca5cb

#6ca5cb
hex#6ca5cb
rgbrgb(108, 165, 203)
hslhsl(204, 48%, 61%)
oklchoklch(0.697 0.082 238.7)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3441

Colors that go with #6ca5cb

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb926c

#6ccbc2 · #6c75cb

#cb6ca5 · #a5cb6c

Split-complementary

Open in tool →

#cb6c75 · #cbc26c

#c26ccb · #cb926c · #75cb6c

Contrast

#6ca5cb as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #3a7ba6 as the text (4.6:1)
  • AAA: use #2c5c7d as the text (7.16:1)
  • AA: or shift the background to #363636 (4.54:1)
  • AAA: or shift the background to #121212 (7.03:1)
Aaon black
7.88:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6ca5cb 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

#6ca5cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6ca5cb
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 #6ca5cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6ca5cb-9cafc4-df4e5a-1f222d-e9f1f0?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