Color

#36738c

#36738c
hex#36738c
rgbrgb(54, 115, 140)
hslhsl(197, 44%, 38%)
oklchoklch(0.526 0.074 227.5)
Closest name: Calypso (#3d7188)Relative luminance 0.1494

Colors that go with #36738c

Charcoal, Royal 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.

Real palettes that use #36738c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8c4e36

#368c79 · #36498c

#8c3673 · #738c36

Split-complementary

Open in tool →

#8c3649 · #8c7936

#79368c · #8c4e36 · #498c36

Contrast

#36738c as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #2c5e72 as the text (7.12:1)
Aaon black
3.99:1failpassfail
  • AA: use #3b7c97 as the text (4.52:1)
  • AAA: use #56a0bd as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #36738c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#36738c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #36738c
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 #36738c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36738c-9cb4c4-df4e6b-1f232d-e9f1ef?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