Color

#2d355c

#2d355c
hex#2d355c
rgbrgb(45, 53, 92)
hslhsl(230, 34%, 27%)
oklchoklch(0.342 0.069 273.4)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0388

Colors that go with #2d355c

Dark Olive Green, Steel Blue and Blush Pink 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.

Real palettes that use #2d355c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5c542d

#2d4d5c · #3d2d5c

#5c2d35 · #355c2d

Split-complementary

Open in tool →

#5c3d2d · #4d5c2d

#5c2d4d · #5c542d · #2d5c3d

Contrast

#2d355c as textRatioAAAA largeAAAFix
Aaon white
11.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #6572b3 as the text (4.61:1)
  • AAA: use #8b95c6 as the text (7.21:1)
  • AA: or shift the background to #a1a1a1 (4.58:1)
  • AAA: or shift the background to #c9c9c9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d355c 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

#2d355c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d355c
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 #2d355c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d355c-9c9ec4-df814e-231f2d-e9eef1?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