Color

#656bd7

#656bd7
hex#656bd7
rgbrgb(101, 107, 215)
hslhsl(237, 59%, 62%)
oklchoklch(0.577 0.163 277.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1819

Colors that go with #656bd7

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 →

#d7d265

#65a4d7 · #9865d7

#d7656b · #6bd765

Split-complementary

Open in tool →

#d79865 · #a4d765

#d765a4 · #d7d265 · #65d798

Contrast

#656bd7 as textRatioAAAA largeAAAFix
Aaon white
4.53:1passpassfail
  • AAA: use #3c44cd as the text (7.24:1)
Aaon black
4.64:1passpassfail
  • AAA: use #898ee1 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #656bd7 as the background.

Brands using this color

Fonts for this mood

#656bd7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #656bd7
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 #656bd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656bd7-9f9cc4-df924e-251f2d-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