Color

#6b0099

#6b0099
hex#6b0099
rgbrgb(107, 0, 153)
hslhsl(282, 100%, 30%)
oklchoklch(0.407 0.206 310.2)
Closest name: Extraviolet (#661188)Relative luminance 0.0543

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e9900

#1f0099 · #99007a

#996b00 · #00996b

Split-complementary

Open in tool →

#7a9900 · #00991f

#991f00 · #2e9900 · #007a99

Contrast

#6b0099 as textRatioAAAA largeAAAFix
Aaon white
10.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #b70fff as the text (4.53:1)
  • AAA: use #d166ff as the text (7.06:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b0099 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

#6b0099 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b0099
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 #6b0099 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b0099-ba9fc1-b4cb62-2d1f2b-ebe9f1?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