Color

#650b8e

#650b8e
hex#650b8e
rgbrgb(101, 11, 142)
hslhsl(281, 86%, 30%)
oklchoklch(0.393 0.19 310.7)
Closest name: Extraviolet (#661188)Relative luminance 0.0496

Colors that go with #650b8e

Forest Green, Charcoal and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#348e0b

#230b8e · #8e0b76

#8e650b · #0b8e65

Split-complementary

Open in tool →

#768e0b · #0b8e23

#8e230b · #348e0b · #0b768e

Contrast

#650b8e as textRatioAAAA largeAAAFix
Aaon white
10.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #b22eef as the text (4.53:1)
  • AAA: use #cb71f4 as the text (7.21:1)
  • AA: or shift the background to #ababab (4.59:1)
  • AAA: or shift the background to #d4d4d4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #650b8e 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

#650b8e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #650b8e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #650b8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/650b8e-ba9fc1-b6cb62-2d1f2c-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