Color

#820bcb

#820bcb
hex#820bcb
rgbrgb(130, 11, 203)
hslhsl(277, 90%, 42%)
oklchoklch(0.487 0.247 305.1)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.093

Tints & shades

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

Harmonies

Complementary

Open in tool →

#55cb0b

#210bcb · #cb0bb5

#cb820b · #0bcb82

Split-complementary

Open in tool →

#b5cb0b · #0bcb21

#cb210b · #55cb0b · #0bb5cb

Contrast

#820bcb as textRatioAAAA largeAAAFix
Aaon white
7.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #aa34f4 as the text (4.51:1)
  • AAA: use #c572f8 as the text (7.14:1)
  • AA: or shift the background to #cccccc (4.57:1)
  • 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 #820bcb 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

#820bcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #820bcb
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 #820bcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/820bcb-b99cc4-bdcb62-2d1f2c-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