Color

#630fb8

#630fb8
hex#630fb8
rgbrgb(99, 15, 184)
hslhsl(270, 85%, 39%)
oklchoklch(0.431 0.224 297.1)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0645

Colors that go with #630fb8

Olive Green, Charcoal and Denim 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 →

#63b80f

#0f0fb8 · #b80fb8

#b8630f · #0fb863

Split-complementary

Open in tool →

#b8b80f · #0fb80f

#b80f0f · #63b80f · #0fb8b8

Contrast

#630fb8 as textRatioAAAA largeAAAFix
Aaon white
9.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #9c47f0 as the text (4.57:1)
  • AAA: use #b87bf4 as the text (7.18:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #630fb8 as the background.

Brands using this color

Fonts for this mood

#630fb8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #630fb8
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 #630fb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/630fb8-b59cc4-c9cb62-2c1f2d-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