Color

#323f57

#323f57
hex#323f57
rgbrgb(50, 63, 87)
hslhsl(219, 27%, 27%)
oklchoklch(0.367 0.045 262.4)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0492

Colors that go with #323f57

Dark Olive Green, Sea Green 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 →

#574a32

#325257 · #383257

#57323f · #3f5732

Split-complementary

Open in tool →

#573832 · #525732

#573252 · #574a32 · #325738

Contrast

#323f57 as textRatioAAAA largeAAAFix
Aaon white
10.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #5d75a2 as the text (4.53:1)
  • AAA: use #8496b8 as the text (7.04:1)
  • AA: or shift the background to #ababab (4.61:1)
  • AAA: or shift the background to #d4d4d4 (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 #323f57 as the background.

Brands using this color

Fonts for this mood

#323f57 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #323f57
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 #323f57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/323f57-9ca5c4-df664e-211f2d-e9f0f1?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