Color

#646ded

#646ded
hex#646ded
rgbrgb(100, 109, 237)
hslhsl(236, 79%, 66%)
oklchoklch(0.596 0.19 276)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1976

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ede464

#64b1ed · #9f64ed

#ed646d · #6ded64

Split-complementary

Open in tool →

#ed9f64 · #b1ed64

#ed64b1 · #ede464 · #64ed9f

Contrast

#646ded as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #5b64ec as the text (4.69:1)
  • AAA: use #323ee7 as the text (7.05:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #888ff1 as the text (7.25:1)

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

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

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

tool url/palettes/new/646ded-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