Color

#751d8b

#751d8b
hex#751d8b
rgbrgb(117, 29, 139)
hslhsl(288, 65%, 33%)
oklchoklch(0.426 0.178 318.5)
Closest name: Ultraberry (#770088)Relative luminance 0.0652

Tints & shades

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

Harmonies

Complementary

Open in tool →

#338b1d

#3e1d8b · #8b1d6a

#8b751d · #1d8b75

Split-complementary

Open in tool →

#6a8b1d · #1d8b3e

#8b3e1d · #338b1d · #1d6a8b

Contrast

#751d8b as textRatioAAAA largeAAAFix
Aaon white
9.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #b639d5 as the text (4.54:1)
  • AAA: use #cc74e2 as the text (7.16:1)
  • AA: or shift the background to #b8b8b8 (4.59:1)
  • AAA: or shift the background to #e3e3e3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #751d8b 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

#751d8b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #751d8b
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 #751d8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/751d8b-be9fc1-aacb62-2d1f2a-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