Color

#751b8d

#751b8d
hex#751b8d
rgbrgb(117, 27, 141)
hslhsl(287, 68%, 33%)
oklchoklch(0.426 0.182 317.8)
Closest name: Ultraberry (#770088)Relative luminance 0.0649

Colors that go with #751b8d

Forest Green, Blue Violet and Charcoal 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 →

#348d1b

#3b1b8d · #8d1b6d

#8d751b · #1b8d75

Split-complementary

Open in tool →

#6d8d1b · #1b8d3b

#8d3b1b · #348d1b · #1b6d8d

Contrast

#751b8d as textRatioAAAA largeAAAFix
Aaon white
9.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #b73ad9 as the text (4.62:1)
  • AAA: use #cb72e4 as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #751b8d 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

#751b8d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #751b8d
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 #751b8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/751b8d-bd9fc1-abcb62-2d1f2a-ece9f1?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