Color

#7c31dd

#7c31dd
hex#7c31dd
rgbrgb(124, 49, 221)
hslhsl(266, 72%, 53%)
oklchoklch(0.519 0.239 296.8)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#93dd31

#313cdd · #d231dd

#dd7c31 · #31dd7c

Split-complementary

Open in tool →

#ddd231 · #3cdd31

#dd313c · #93dd31 · #31ddd2

Contrast

#7c31dd as textRatioAAAA largeAAAFix
Aaon white
6.29:1passpassfail
  • AAA: use #7123d7 as the text (7.18:1)
Aaon black
3.34:1failpassfail
  • AA: use #9254e3 as the text (4.6:1)
  • AAA: use #ae80ea as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7c31dd 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

#7c31dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7c31dd
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 #7c31dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7c31dd-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