Color

#381645

#381645
hex#381645
rgbrgb(56, 22, 69)
hslhsl(283, 52%, 18%)
oklchoklch(0.275 0.09 315.5)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0184

Colors that go with #381645

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 →

#244616

#201646 · #46163b

#463816 · #164638

Split-complementary

Open in tool →

#3b4616 · #164620

#462016 · #244616 · #163b46

Contrast

#381645 as textRatioAAAA largeAAAFix
Aaon white
15.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #a651c8 as the text (4.63:1)
  • AAA: use #be7fd7 as the text (7.21:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #381645 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

#381645 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #381645
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 #381645 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/381645-bb9fc1-b2cb62-2d1f2b-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