Color

#646edd

#646edd
hex#646edd
rgbrgb(100, 110, 221)
hslhsl(235, 64%, 63%)
oklchoklch(0.586 0.167 276.1)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1908

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ddd364

#64abdd · #9764dd

#dd646e · #6edd64

Split-complementary

Open in tool →

#dd9764 · #abdd64

#dd64ab · #ddd364 · #64dd97

Contrast

#646edd as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #606adc as the text (4.57:1)
  • AAA: use #3643d3 as the text (7.24:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646edd 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

#646edd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646edd
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 #646edd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646edd-9e9cc4-df8d4e-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