Color

#656bc3

#656bc3
hex#656bc3
rgbrgb(101, 107, 195)
hslhsl(236, 44%, 58%)
oklchoklch(0.565 0.134 278.2)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1722

Colors that go with #656bc3

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 →

#c3bd65

#659ac3 · #8e65c3

#c3656b · #6bc365

Split-complementary

Open in tool →

#c38e65 · #9ac365

#c3659a · #c3bd65 · #65c38e

Contrast

#656bc3 as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #464db4 as the text (7.04:1)
Aaon black
4.44:1failpassfail
  • AA: use #686fc4 as the text (4.66:1)
  • AAA: use #8d92d3 as the text (7.18:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #656bc3 as the background.

Brands using this color

Fonts for this mood

#656bc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #656bc3
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 #656bc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656bc3-9e9cc4-df8f4e-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