Color

#300137

#300137
hex#300137
rgbrgb(48, 1, 55)
hslhsl(292, 96%, 11%)
oklchoklch(0.224 0.104 322.1)
Closest name: Dark Purple (#35063e)Relative luminance 0.0093

Colors that go with #300137

Blue Violet, Charcoal and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#083701

#150137 · #370123

#373001 · #013730

Split-complementary

Open in tool →

#233701 · #013715

#371501 · #083701 · #012337

Contrast

#300137 as textRatioAAAA largeAAAFix
Aaon white
17.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #c805e6 as the text (4.62:1)
  • AAA: use #e555fc as the text (7.04:1)
  • AA: or shift the background to #828282 (4.61:1)
  • AAA: or shift the background to #a3a3a3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #300137 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

#300137 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #300137
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #300137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/300137-c09fc1-a3cb62-2d1f29-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