Color

#2f034a

#2f034a
hex#2f034a
rgbrgb(47, 3, 74)
hslhsl(277, 92%, 15%)
oklchoklch(0.243 0.119 307.2)
Closest name: Hollow Knight (#330055)Relative luminance 0.0116

Colors that go with #2f034a

Charcoal, Royal Blue and Teal 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 →

#1e4903

#0b0349 · #490341

#492e03 · #03492e

Split-complementary

Open in tool →

#414903 · #03490b

#490b03 · #1e4903 · #034149

Contrast

#2f034a as textRatioAAAA largeAAAFix
Aaon white
17.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #ab31f6 as the text (4.5:1)
  • AAA: use #c571f9 as the text (7.1:1)
  • AA: or shift the background to #858585 (4.62:1)
  • AAA: or shift the background to #a8a8a8 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f034a 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

#2f034a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f034a
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 #2f034a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f034a-b99cc4-bdcb62-2d1f2c-eae9f1?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