Color

#4b013a

#4b013a
hex#4b013a
rgbrgb(75, 1, 58)
hslhsl(314, 97%, 15%)
oklchoklch(0.279 0.119 340.5)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0182

Colors that go with #4b013a

Crimson, Sea Green and Charcoal 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 →

#014b12

#38014b · #4b0115

#3a4b01 · #013a4b

Split-complementary

Open in tool →

#154b01 · #014b38

#4b3801 · #014b12 · #01154b

Contrast

#4b013a as textRatioAAAA largeAAAFix
Aaon white
15.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #dd03aa as the text (4.67:1)
  • AAA: use #fc4ad3 as the text (7.06:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (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 #4b013a 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

#4b013a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b013a
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 #4b013a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b013a-c19fb5-7ccb62-2d1f24-efe9f1?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