Color

#39174a

#39174a
hex#39174a
rgbrgb(57, 23, 74)
hslhsl(280, 53%, 19%)
oklchoklch(0.282 0.095 312.6)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0198

Colors that go with #39174a

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 →

#284a17

#1f174a · #4a1742

#4a3917 · #174a39

Split-complementary

Open in tool →

#424a17 · #174a1f

#4a1f17 · #284a17 · #17424a

Contrast

#39174a as textRatioAAAA largeAAAFix
Aaon white
15.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #a353ca as the text (4.65:1)
  • AAA: use #ba7ed7 as the text (7.05:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39174a 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

#39174a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39174a
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 #39174a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39174a-b99fc1-b8cb62-2d1f2c-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