Color

#656ef1

#656ef1
hex#656ef1
rgbrgb(101, 110, 241)
hslhsl(236, 83%, 67%)
oklchoklch(0.601 0.194 275.9)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f1e765

#65b4f1 · #a265f1

#f1656e · #6ef165

Split-complementary

Open in tool →

#f1a265 · #b4f165

#f165b4 · #f1e765 · #65f1a2

Contrast

#656ef1 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #5c66f0 as the text (4.55:1)
  • AAA: use #2d3aeb as the text (7.2:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.05:1passpassfail
  • AAA: use #868df4 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #656ef1 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

#656ef1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #656ef1
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 #656ef1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656ef1-9e9cc4-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