Color

#642a89

#642a89
hex#642a89
rgbrgb(100, 42, 137)
hslhsl(277, 53%, 35%)
oklchoklch(0.414 0.154 309.2)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0617

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e892a

#352a89 · #892a7e

#89642a · #2a8964

Split-complementary

Open in tool →

#7e892a · #2a8935

#89352a · #4e892a · #2a7e89

Contrast

#642a89 as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #9d53ca as the text (4.52:1)
  • AAA: use #b782d9 as the text (7.21:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #642a89 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

#642a89 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #642a89
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 #642a89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/642a89-b99cc4-bdcb62-2d1f2c-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