Color

#630da5

#630da5
hex#630da5
rgbrgb(99, 13, 165)
hslhsl(274, 85%, 35%)
oklchoklch(0.412 0.208 302.2)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0566

Colors that go with #630da5

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 →

#4fa50d

#180da5 · #a50d9b

#a5630d · #0da563

Split-complementary

Open in tool →

#9ba50d · #0da518

#a5180d · #4fa50d · #0d9ba5

Contrast

#630da5 as textRatioAAAA largeAAAFix
Aaon white
9.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #a542f0 as the text (4.64:1)
  • AAA: use #bd76f4 as the text (7.06:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #630da5 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

#630da5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #630da5
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 #630da5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/630da5-b79cc4-c2cb62-2d1f2d-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