Color

#656ddc

#656ddc
hex#656ddc
rgbrgb(101, 109, 220)
hslhsl(236, 63%, 63%)
oklchoklch(0.585 0.167 276.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1887

Colors that go with #656ddc

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 →

#dcd465

#65a9dc · #9965dc

#dc656d · #6ddc65

Split-complementary

Open in tool →

#dc9965 · #a9dc65

#dc65a9 · #dcd465 · #65dc99

Contrast

#656ddc as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #6169db as the text (4.61:1)
  • AAA: use #3742d2 as the text (7.31:1)
  • AA: or shift the background to #0a0a0a (4.5:1)
Aaon black
4.77:1passpassfail
  • AAA: use #8b91e5 as the text (7.28:1)

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

Brands using this color

Fonts for this mood

#656ddc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/656ddc-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