Color

#656cfb

#656cfb
hex#656cfb
rgbrgb(101, 108, 251)
hslhsl(237, 95%, 69%)
oklchoklch(0.605 0.209 276.1)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf465

#65b7fb · #a865fb

#fb656c · #6cfb65

Split-complementary

Open in tool →

#fba865 · #b7fb65

#fb65b7 · #fbf465 · #65fba8

Contrast

#656cfb as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #5b63fb as the text (4.54:1)
  • AAA: use #2934fa as the text (7.08:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #888dfc as the text (7.26:1)

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

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

mcpConnect your agent — build around #656cfb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #656cfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656cfb-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