Color

#2d2b5f

#2d2b5f
hex#2d2b5f
rgbrgb(45, 43, 95)
hslhsl(242, 38%, 27%)
oklchoklch(0.321 0.09 281.8)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0311

Colors that go with #2d2b5f

Dark Olive Green, Steel 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 →

#5d5f2b

#2b435f · #472b5f

#5f2c2b · #2b5f2c

Split-complementary

Open in tool →

#5f472b · #435f2b

#5f2b43 · #5d5f2b · #2b5f47

Contrast

#2d2b5f as textRatioAAAA largeAAAFix
Aaon white
12.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #6e6bbd as the text (4.5:1)
  • AAA: use #9492ce as the text (7.26:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (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 #2d2b5f 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

#2d2b5f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d2b5f
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 #2d2b5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d2b5f-a29cc4-df9e4e-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