Color

#364259

#364259
hex#364259
rgbrgb(54, 66, 89)
hslhsl(219, 24%, 28%)
oklchoklch(0.378 0.043 263.1)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.054

Colors that go with #364259

Sea Green, Steel Blue and Sienna 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 →

#594d36

#365359 · #3b3659

#593642 · #425936

Split-complementary

Open in tool →

#593b36 · #535936

#593653 · #594d36 · #36593b

Contrast

#364259 as textRatioAAAA largeAAAFix
Aaon white
10.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #61769e as the text (4.59:1)
  • AAA: use #8797b5 as the text (7.12:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #364259 as the background.

Brands using this color

Fonts for this mood

#364259 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #364259
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 #364259 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/364259-9ca5c4-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