Color

#36658c

#36658c
hex#36658c
rgbrgb(54, 101, 140)
hslhsl(207, 44%, 38%)
oklchoklch(0.491 0.081 245.5)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1199

Colors that go with #36658c

Charcoal, Sienna and Amber 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 →

#8c5d36

#368c87 · #363b8c

#8c3665 · #658c36

Split-complementary

Open in tool →

#8c363b · #8c8736

#87368c · #8c5d36 · #3b8c36

Contrast

#36658c as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #315b7d as the text (7.18:1)
Aaon black
3.4:1failpassfail
  • AA: use #427aa9 as the text (4.59:1)
  • AAA: use #689bc4 as the text (7.07:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #36658c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#36658c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #36658c
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 #36658c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36658c-9cadc4-df4e53-1f212d-e9f1f1?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