Color

#64129b

#64129b
hex#64129b
rgbrgb(100, 18, 155)
hslhsl(276, 79%, 34%)
oklchoklch(0.407 0.197 305.5)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0551

Tints & shades

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

Harmonies

Complementary

Open in tool →

#499b12

#20129b · #9b128d

#9b6412 · #129b64

Split-complementary

Open in tool →

#8d9b12 · #129b20

#9b2012 · #499b12 · #128d9b

Contrast

#64129b as textRatioAAAA largeAAAFix
Aaon white
9.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #a744e9 as the text (4.65:1)
  • AAA: use #bf76ef as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64129b 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

#64129b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #64129b
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 #64129b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64129b-b99cc4-bfcb62-2d1f2d-eae9f1?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