Color

#2f2cc9

#2f2cc9
hex#2f2cc9
rgbrgb(47, 44, 201)
hslhsl(241, 64%, 48%)
oklchoklch(0.427 0.229 271.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0662

Colors that go with #2f2cc9

Charcoal, Sea Green and Steel 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 →

#c6c92c

#2c78c9 · #7d2cc9

#c92f2c · #2cc92f

Split-complementary

Open in tool →

#c97d2c · #78c92c

#c92c78 · #c6c92c · #2cc97d

Contrast

#2f2cc9 as textRatioAAAA largeAAAFix
Aaon white
9.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #6a68de as the text (4.65:1)
  • AAA: use #908ee6 as the text (7.2:1)
  • AA: or shift the background to #b8b8b8 (4.55:1)
  • AAA: or shift the background to #e3e3e3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f2cc9 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

#2f2cc9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f2cc9
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 #2f2cc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f2cc9-a19cc4-df9b4e-261f2d-e9edf1?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