Color

#4f3758

#4f3758
hex#4f3758
rgbrgb(79, 55, 88)
hslhsl(284, 23%, 28%)
oklchoklch(0.378 0.063 316.5)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.051

Colors that go with #4f3758

Sea Green, Blue and Blush Pink 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 →

#405837

#3f3758 · #583750

#584f37 · #37584f

Split-complementary

Open in tool →

#505837 · #37583f

#583f37 · #405837 · #375058

Contrast

#4f3758 as textRatioAAAA largeAAAFix
Aaon white
10.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #8f659f as the text (4.53:1)
  • AAA: use #ab8bb6 as the text (7.1:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f3758 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

#4f3758 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f3758
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 #4f3758 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f3758-bc9fc1-b1cb62-2d1f2b-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