Color

#7b18fb

#7b18fb
hex#7b18fb
rgbrgb(123, 24, 251)
hslhsl(266, 97%, 54%)
oklchoklch(0.528 0.283 292.4)
Closest name: Poisoning Purple (#7f01fe)Relative luminance 0.1183

Tints & shades

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

Harmonies

Complementary

Open in tool →

#99fb18

#1827fb · #ec18fb

#fb7b18 · #18fb7b

Split-complementary

Open in tool →

#fbec18 · #27fb18

#fb1827 · #99fb18 · #18fbec

Contrast

#7b18fb as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
Aaon black
3.37:1failpassfail
  • AA: use #9445fc as the text (4.52:1)
  • AAA: use #b47cfd as the text (7.24:1)
  • AA: or shift the background to #dbdbdb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7b18fb as the background.

Brands using this color

Fonts for this mood

#7b18fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7b18fb
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 #7b18fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b18fb-b29cc4-dfd74e-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