Color

#2f173a

#2f173a
hex#2f173a
rgbrgb(47, 23, 58)
hslhsl(281, 43%, 16%)
oklchoklch(0.256 0.07 314.2)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0152

Colors that go with #2f173a

Charcoal, Dark Olive Green and Sea Green 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 →

#223a17

#1e173a · #3a1734

#3a2f17 · #173a2f

Split-complementary

Open in tool →

#343a17 · #173a1e

#3a1e17 · #223a17 · #17343a

Contrast

#2f173a as textRatioAAAA largeAAAFix
Aaon white
16.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #9c57bc as the text (4.5:1)
  • AAA: use #b683ce as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f173a 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

#2f173a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f173a
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 #2f173a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f173a-ba9fc1-b6cb62-2d1f2c-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