Color

#2f2a55

#2f2a55
hex#2f2a55
rgbrgb(47, 42, 85)
hslhsl(247, 34%, 25%)
oklchoklch(0.314 0.075 286.5)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0292

Colors that go with #2f2a55

Dark Olive Green, 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 →

#50552a

#2a3b55 · #452a55

#552f2a · #2a552f

Split-complementary

Open in tool →

#55452a · #3b552a

#552a3b · #50552a · #2a5545

Contrast

#2f2a55 as textRatioAAAA largeAAAFix
Aaon white
13.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #756cb7 as the text (4.59:1)
  • AAA: use #9892c9 as the text (7.29:1)
  • AA: or shift the background to #999999 (4.66:1)
  • AAA: or shift the background to #bdbdbd (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f2a55 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

#2f2a55 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f2a55
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 #2f2a55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f2a55-a59cc4-dfaa4e-271f2d-e9ecf1?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