Color

#6b64c9

#6b64c9
hex#6b64c9
rgbrgb(107, 100, 201)
hslhsl(244, 48%, 59%)
oklchoklch(0.56 0.152 283.5)
Closest name: slateblue (#6a5acd)Relative luminance 0.1646

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c2c964

#6490c9 · #9d64c9

#c96b64 · #64c96b

Split-complementary

Open in tool →

#c99d64 · #90c964

#c96490 · #c2c964 · #64c99d

Contrast

#6b64c9 as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #4e46be as the text (7.13:1)
Aaon black
4.29:1failpassfail
  • AA: use #6f68ca as the text (4.51:1)
  • AAA: use #938ed7 as the text (7.09:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b64c9 as the background.

Brands using this color

Fonts for this mood

#6b64c9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b64c9
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 #6b64c9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b64c9-a39cc4-dfa24e-261f2d-e9edf1?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