Color

#391745

#391745
hex#391745
rgbrgb(57, 23, 69)
hslhsl(284, 50%, 18%)
oklchoklch(0.278 0.089 316.3)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0191

Colors that go with #391745

Charcoal, Sea Green and Sienna 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 →

#234517

#221745 · #45173a

#453917 · #174539

Split-complementary

Open in tool →

#3a4517 · #174522

#452217 · #234517 · #173a45

Contrast

#391745 as textRatioAAAA largeAAAFix
Aaon white
15.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #a54fc4 as the text (4.52:1)
  • AAA: use #bd7dd4 as the text (7.05:1)
  • AA: or shift the background to #8c8c8c (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391745 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

#391745 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391745
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 #391745 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391745-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