Color

#6448cb

#6448cb
hex#6448cb
rgbrgb(100, 72, 203)
hslhsl(253, 56%, 54%)
oklchoklch(0.508 0.193 287.2)
Closest name: Blurple (#5539cc)Relative luminance 0.1166

Colors that go with #6448cb

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#afcb48

#486dcb · #a648cb

#cb6448 · #48cb64

Split-complementary

Open in tool →

#cba648 · #6dcb48

#cb486d · #afcb48 · #48cba6

Contrast

#6448cb as textRatioAAAA largeAAAFix
Aaon white
6.3:1passpassfail
  • AAA: use #5a3cc8 as the text (7.2:1)
Aaon black
3.33:1failpassfail
  • AA: use #7c64d3 as the text (4.62:1)
  • AAA: use #9e8cde as the text (7.26:1)
  • AA: or shift the background to #dbdbdb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6448cb as the background.

Brands using this color

Fonts for this mood

#6448cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6448cb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6448cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6448cb-a99cc4-dfb84e-281f2d-e9ebf1?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