Color

#644bd2

#644bd2
hex#644bd2
rgbrgb(100, 75, 210)
hslhsl(251, 60%, 56%)
oklchoklch(0.518 0.198 285.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1239

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9d24b

#4b76d2 · #a74bd2

#d2644b · #4bd264

Split-complementary

Open in tool →

#d2a74b · #76d24b

#d24b76 · #b9d24b · #4bd2a7

Contrast

#644bd2 as textRatioAAAA largeAAAFix
Aaon white
6.04:1passpassfail
  • AAA: use #563bce as the text (7.21:1)
Aaon black
3.48:1failpassfail
  • AA: use #7964d8 as the text (4.63:1)
  • AAA: use #9989e1 as the text (7.02:1)
  • AA: or shift the background to #e0e0e0 (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 #644bd2 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

#644bd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644bd2
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 #644bd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644bd2-a89cc4-dfb34e-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