Color

#3c133f

#3c133f
hex#3c133f
rgbrgb(60, 19, 63)
hslhsl(296, 54%, 16%)
oklchoklch(0.273 0.091 324.9)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0179

Colors that go with #3c133f

Charcoal, Sea Green and Slate 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 →

#163f13

#26133f · #3f132c

#3f3c13 · #133f3c

Split-complementary

Open in tool →

#2c3f13 · #133f26

#3f2613 · #163f13 · #132c3f

Contrast

#3c133f as textRatioAAAA largeAAAFix
Aaon white
15.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #bb3bc4 as the text (4.54:1)
  • AAA: use #d076d6 as the text (7.24:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c133f 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

#3c133f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c133f
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 #3c133f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c133f-c19fbf-9ccb62-2d1f28-ede9f1?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