Color

#3c355a

#3c355a
hex#3c355a
rgbrgb(60, 53, 90)
hslhsl(251, 26%, 28%)
oklchoklch(0.354 0.064 291.5)
Closest name: Call It a Night (#42364c)Relative luminance 0.0425

Colors that go with #3c355a

Dark Olive Green, 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 →

#535a35

#35415a · #4e355a

#5a3c35 · #355a3c

Split-complementary

Open in tool →

#5a4e35 · #415a35

#5a3541 · #535a35 · #355a4e

Contrast

#3c355a as textRatioAAAA largeAAAFix
Aaon white
11.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #796eaa as the text (4.62:1)
  • AAA: use #9a92bf as the text (7.24:1)
  • AA: or shift the background to #a3a3a3 (4.5:1)
  • AAA: or shift the background to #cccccc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c355a as the background.

Brands using this color

Fonts for this mood

#3c355a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c355a
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 #3c355a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c355a-a89cc4-dfb34e-281f2d-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