Color

#751d81

#751d81
hex#751d81
rgbrgb(117, 29, 129)
hslhsl(293, 63%, 31%)
oklchoklch(0.419 0.169 322.6)
Closest name: Ultraberry (#770088)Relative luminance 0.0625

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29811d

#431d81 · #811d5b

#81751d · #1d8175

Split-complementary

Open in tool →

#5b811d · #1d8143

#81431d · #29811d · #1d5b81

Contrast

#751d81 as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #be33d1 as the text (4.58:1)
  • AAA: use #d272df as the text (7.21:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #751d81 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

#751d81 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #751d81
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 #751d81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/751d81-c19fc1-a1cb62-2d1f29-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