Color

#63404b

#63404b
hex#63404b
rgbrgb(99, 64, 75)
hslhsl(341, 21%, 32%)
oklchoklch(0.415 0.051 359.1)
Closest name: Grape Fizz (#64435f)Relative luminance 0.0683

Tints & shades

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

Harmonies

Complementary

Open in tool →

#406358

#63405c · #634740

#4b6340 · #404b63

Split-complementary

Open in tool →

#406347 · #405c63

#5c6340 · #406358 · #474063

Contrast

#63404b as textRatioAAAA largeAAAFix
Aaon white
8.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #9c6878 as the text (4.66:1)
  • AAA: use #b48d99 as the text (7.21:1)
  • AA: or shift the background to #bababa (4.57:1)
  • AAA: or shift the background to #e6e6e6 (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 #63404b 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

#63404b reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63404b
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 #63404b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63404b-c49ca4-62cb77-2d211f-f1e9ef?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