Color

#644cc2

#644cc2
hex#644cc2
rgbrgb(100, 76, 194)
hslhsl(252, 49%, 53%)
oklchoklch(0.507 0.176 287.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1177

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aac24c

#4c70c2 · #9f4cc2

#c2644c · #4cc264

Split-complementary

Open in tool →

#c29f4c · #70c24c

#c24c70 · #aac24c · #4cc29f

Contrast

#644cc2 as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #5a41be as the text (7.16:1)
Aaon black
3.35:1failpassfail
  • AA: use #7b67cb as the text (4.64:1)
  • AAA: use #9c8dd8 as the text (7.22:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644cc2 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

#644cc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644cc2
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 #644cc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644cc2-a99cc4-dfb64e-281f2d-e9ecf1?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