Color

#659cc3

#659cc3
hex#659cc3
rgbrgb(101, 156, 195)
hslhsl(205, 44%, 58%)
oklchoklch(0.67 0.082 240.5)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.3048

Colors that go with #659cc3

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 #659cc3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c38c65

#65c3bb · #656dc3

#c3659c · #9cc365

Split-complementary

Open in tool →

#c3656d · #c3bb65

#bb65c3 · #c38c65 · #6dc365

Contrast

#659cc3 as textRatioAAAA largeAAAFix
Aaon white
2.96:1failfailfail
  • AA: use #407ba5 as the text (4.57:1)
  • AAA: use #315d7d as the text (7.02:1)
  • AA: or shift the background to #2e2e2e (4.59:1)
  • AAA: or shift the background to #000000 (7.1:1)
Aaon black
7.1:1passpasspassPasses 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 #659cc3 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

#659cc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #659cc3
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 #659cc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659cc3-9cafc4-df4e58-1f212d-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