Color

#656afb

#656afb
hex#656afb
rgbrgb(101, 106, 251)
hslhsl(238, 95%, 69%)
oklchoklch(0.601 0.212 276.5)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2004

Colors that go with #656afb

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 →

#fbf665

#65b5fb · #ab65fb

#fb656a · #6afb65

Split-complementary

Open in tool →

#fbab65 · #b5fb65

#fb65b5 · #fbf665 · #65fbab

Contrast

#656afb as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #5b60fb as the text (4.66:1)
  • AAA: use #2930fa as the text (7.25:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #888cfc as the text (7.2:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/656afb-9f9cc4-df944e-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