Color

#3d385c

#3d385c
hex#3d385c
rgbrgb(61, 56, 92)
hslhsl(248, 24%, 29%)
oklchoklch(0.363 0.061 289.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.0459

Colors that go with #3d385c

Sea 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 →

#575c38

#38455c · #4f385c

#5c3d38 · #385c3d

Split-complementary

Open in tool →

#5c4f38 · #455c38

#5c3845 · #575c38 · #385c4f

Contrast

#3d385c as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #756ea6 as the text (4.54:1)
  • AAA: use #9690bb as the text (7:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d385c as the background.

Brands using this color

Fonts for this mood

#3d385c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d385c
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 #3d385c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d385c-a69cc4-dfac4e-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