Color

#630bbc

#630bbc
hex#630bbc
rgbrgb(99, 11, 188)
hslhsl(270, 89%, 39%)
oklchoklch(0.433 0.23 296.3)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0652

Tints & shades

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

Harmonies

Complementary

Open in tool →

#63bc0b

#0b0bbc · #bc0bbc

#bc630b · #0bbc63

Split-complementary

Open in tool →

#bcbc0b · #0bbc0b

#bc0b0b · #63bc0b · #0bbcbc

Contrast

#630bbc as textRatioAAAA largeAAAFix
Aaon white
9.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #9c43f4 as the text (4.52:1)
  • AAA: use #b878f7 as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.59:1)
  • AAA: or shift the background to #e3e3e3 (7.1:1)

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

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

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

tool url/palettes/new/630bbc-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