Color

#781dcd

#781dcd
hex#781dcd
rgbrgb(120, 29, 205)
hslhsl(271, 75%, 46%)
oklchoklch(0.484 0.238 300.1)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0928

Tints & shades

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

Harmonies

Complementary

Open in tool →

#72cd1d

#201dcd · #cd1dca

#cd781d · #1dcd78

Split-complementary

Open in tool →

#cacd1d · #1dcd20

#cd201d · #72cd1d · #1dcacd

Contrast

#781dcd as textRatioAAAA largeAAAFix
Aaon white
7.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #9c4ce6 as the text (4.59:1)
  • AAA: use #b77eed as the text (7.22:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #781dcd 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

#781dcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #781dcd
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 #781dcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/781dcd-b59cc4-c7cb62-2c1f2d-eae9f1?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