Color

#641e8a

#641e8a
hex#641e8a
rgbrgb(100, 30, 138)
hslhsl(279, 64%, 33%)
oklchoklch(0.402 0.17 310.3)
Closest name: Extraviolet (#661188)Relative luminance 0.0547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#448a1e

#2e1e8a · #8a1e7a

#8a641e · #1e8a64

Split-complementary

Open in tool →

#7a8a1e · #1e8a2e

#8a2e1e · #448a1e · #1e7a8a

Contrast

#641e8a as textRatioAAAA largeAAAFix
Aaon white
10.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #a64bd8 as the text (4.62:1)
  • AAA: use #bf7de3 as the text (7.26:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #641e8a 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

#641e8a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641e8a
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 #641e8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641e8a-b99fc1-b9cb62-2d1f2c-ebe9f1?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