Color

#391872

#391872
hex#391872
rgbrgb(57, 24, 114)
hslhsl(262, 65%, 27%)
oklchoklch(0.318 0.142 293.2)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0274

Colors that go with #391872

Charcoal, Royal Blue and 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 →

#517218

#182472 · #661872

#723918 · #187239

Split-complementary

Open in tool →

#726618 · #247218

#721824 · #517218 · #187266

Contrast

#391872 as textRatioAAAA largeAAAFix
Aaon white
13.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #8a5bdc as the text (4.61:1)
  • AAA: use #a885e5 as the text (7.15:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bdbdbd (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391872 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

#391872 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391872
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 #391872 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391872-af9cc4-dfce4e-2a1f2d-e9eaf1?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