Color

#2d2a51

#2d2a51
hex#2d2a51
rgbrgb(45, 42, 81)
hslhsl(245, 32%, 24%)
oklchoklch(0.309 0.069 285.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0281

Colors that go with #2d2a51

Dark Olive Green, 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 →

#4e512a

#2a3a51 · #402a51

#512d2a · #2a512d

Split-complementary

Open in tool →

#51402a · #3a512a

#512a3a · #4e512a · #2a5140

Contrast

#2d2a51 as textRatioAAAA largeAAAFix
Aaon white
13.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #746eb4 as the text (4.63:1)
  • AAA: use #9490c6 as the text (7.06:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (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 #2d2a51 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

#2d2a51 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d2a51
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 #2d2a51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d2a51-a49cc4-dfa54e-261f2d-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