Color

#630cbb

#630cbb
hex#630cbb
rgbrgb(99, 12, 187)
hslhsl(270, 88%, 39%)
oklchoklch(0.433 0.228 296.5)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.065

Tints & shades

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

Harmonies

Complementary

Open in tool →

#63bb0c

#0c0cbb · #bb0cbb

#bb630c · #0cbb63

Split-complementary

Open in tool →

#bbbb0c · #0cbb0c

#bb0c0c · #63bb0c · #0cbbbb

Contrast

#630cbb as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #9c44f3 as the text (4.53:1)
  • AAA: use #b879f6 as the text (7.1:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (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 #630cbb 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

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

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

tool url/palettes/new/630cbb-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