Color

#4f1859

#4f1859
hex#4f1859
rgbrgb(79, 24, 89)
hslhsl(291, 58%, 22%)
oklchoklch(0.327 0.121 321.1)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0304

Colors that go with #4f1859

Crimson, Denim and Midnight Blue 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 →

#215918

#2e1859 · #591842

#594f18 · #18594f

Split-complementary

Open in tool →

#425918 · #18592e

#592e18 · #215918 · #184259

Contrast

#4f1859 as textRatioAAAA largeAAAFix
Aaon white
13.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #b63ecc as the text (4.55:1)
  • AAA: use #cc76db as the text (7.18:1)
  • AA: or shift the background to #999999 (4.59:1)
  • AAA: or shift the background to #bfbfbf (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 #4f1859 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

#4f1859 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f1859
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 #4f1859 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f1859-bf9fc1-a4cb62-2d1f29-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