Color

#7b37cd

#7b37cd
hex#7b37cd
rgbrgb(123, 55, 205)
hslhsl(267, 60%, 51%)
oklchoklch(0.51 0.216 299.1)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.1135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8acd37

#373fcd · #c637cd

#cd7b37 · #37cd7b

Split-complementary

Open in tool →

#cdc637 · #3fcd37

#cd373f · #8acd37 · #37cdc6

Contrast

#7b37cd as textRatioAAAA largeAAAFix
Aaon white
6.42:1passpassfail
  • AAA: use #7331c4 as the text (7.08:1)
Aaon black
3.27:1failpassfail
  • AA: use #9058d5 as the text (4.54:1)
  • AAA: use #ae85e0 as the text (7.23:1)
  • AA: or shift the background to #d9d9d9 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7b37cd 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

#7b37cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7b37cd
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 #7b37cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b37cd-b39cc4-dfda4e-2c1f2d-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