Color

#630699

#630699
hex#630699
rgbrgb(99, 6, 153)
hslhsl(278, 92%, 31%)
oklchoklch(0.398 0.201 306.2)
Closest name: Extraviolet (#661188)Relative luminance 0.0508

Colors that go with #630699

Olive 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 →

#3c9806

#1a0698 · #980684

#986206 · #069862

Split-complementary

Open in tool →

#849806 · #06981a

#981a06 · #3c9806 · #068498

Contrast

#630699 as textRatioAAAA largeAAAFix
Aaon white
10.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #ae31f6 as the text (4.57:1)
  • AAA: use #c771f9 as the text (7.16:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #630699 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

#630699 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #630699
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 #630699 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/630699-ba9cc4-bbcb62-2d1f2c-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