Color

#4b0737

#4b0737
hex#4b0737
rgbrgb(75, 7, 55)
hslhsl(318, 83%, 16%)
oklchoklch(0.283 0.11 343.5)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0192

Colors that go with #4b0737

Charcoal, Crimson and Sea Green 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 →

#074b1b

#3d074b · #4b0714

#364b07 · #07364b

Split-complementary

Open in tool →

#144b07 · #074b3d

#4b3d07 · #074b1b · #07144b

Contrast

#4b0737 as textRatioAAAA largeAAAFix
Aaon white
15.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #db14a0 as the text (4.62:1)
  • AAA: use #f05cc3 as the text (7.02:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b0737 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

#4b0737 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b0737
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 #4b0737 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b0737-c19fb3-75cb62-2d1f23-f0e9f1?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