Color

#7d78ab

#7d78ab
hex#7d78ab
rgbrgb(125, 120, 171)
hslhsl(246, 23%, 57%)
oklchoklch(0.597 0.077 288.3)
Closest name: Aster (#867ba9)Relative luminance 0.2073

Colors that go with #7d78ab

Charcoal, Copper and Sea Green 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 →

#a6ab78

#788cab · #9678ab

#ab7d78 · #78ab7d

Split-complementary

Open in tool →

#ab9678 · #8cab78

#ab788c · #a6ab78 · #78ab96

Contrast

#7d78ab as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #746fa5 as the text (4.61:1)
  • AAA: use #575284 as the text (7.13:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.15:1passpassfail
  • AAA: use #9591ba as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7d78ab as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #7d78ab
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 #7d78ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7d78ab-a59cc4-dfa74e-271f2d-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