Color

#6963de

#6963de
hex#6963de
rgbrgb(105, 99, 222)
hslhsl(243, 65%, 63%)
oklchoklch(0.571 0.182 281.1)
Closest name: slateblue (#6a5acd)Relative luminance 0.172

Colors that go with #6963de

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 →

#d8de63

#639bde · #a763de

#de6963 · #63de69

Split-complementary

Open in tool →

#dea763 · #9bde63

#de639b · #d8de63 · #63dea7

Contrast

#6963de as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #453dd6 as the text (7.26:1)
Aaon black
4.44:1failpassfail
  • AA: use #6d68df as the text (4.7:1)
  • AAA: use #928de7 as the text (7.19:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6963de as the background.

Brands using this color

Fonts for this mood

#6963de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6963de
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 #6963de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6963de-a39cc4-dfa04e-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