Color

#63017e

#63017e
hex#63017e
rgbrgb(99, 1, 126)
hslhsl(287, 98%, 25%)
oklchoklch(0.372 0.181 316.1)
Closest name: Extraviolet (#661188)Relative luminance 0.0418

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c7e01

#25017e · #7e015b

#7e6301 · #017e63

Split-complementary

Open in tool →

#5b7e01 · #017e25

#7e2501 · #1c7e01 · #015b7e

Contrast

#63017e as textRatioAAAA largeAAAFix
Aaon white
11.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #c202f7 as the text (4.65:1)
  • AAA: use #dc62fd as the text (7.21:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (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 #63017e 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

#63017e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63017e
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 #63017e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63017e-bd9fc1-abcb62-2d1f2a-ece9f1?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