Color

#300047

#300047
hex#300047
rgbrgb(48, 0, 71)
hslhsl(281, 100%, 14%)
oklchoklch(0.238 0.12 310.5)
Closest name: Dark Purple (#35063e)Relative luminance 0.0108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#174700

#0d0047 · #47003a

#473100 · #004731

Split-complementary

Open in tool →

#3a4700 · #00470d

#470d00 · #174700 · #003a47

Contrast

#300047 as textRatioAAAA largeAAAFix
Aaon white
17.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #b514ff as the text (4.51:1)
  • AAA: use #d06bff as the text (7.23:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #300047 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

#300047 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #300047
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 #300047 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/300047-ba9fc1-b6cb62-2d1f2c-ebe9f1?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