Color

#751bf3

#751bf3
hex#751bf3
rgbrgb(117, 27, 243)
hslhsl(265, 90%, 53%)
oklchoklch(0.515 0.274 291.6)
Closest name: Poisoning Purple (#7f01fe)Relative luminance 0.1104

Tints & shades

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

Harmonies

Complementary

Open in tool →

#99f31b

#1b2df3 · #e11bf3

#f3751b · #1bf375

Split-complementary

Open in tool →

#f3e11b · #2df31b

#f31b2d · #99f31b · #1bf3e1

Contrast

#751bf3 as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #6c0df2 as the text (7.05:1)
Aaon black
3.21:1failpassfail
  • AA: use #924cf6 as the text (4.59:1)
  • AAA: use #b07cf8 as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #751bf3 as the background.

Brands using this color

Fonts for this mood

#751bf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #751bf3
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 #751bf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/751bf3-b19cc4-dfd54e-2b1f2d-e9eaf1?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