Color

#36179b

#36179b
hex#36179b
rgbrgb(54, 23, 155)
hslhsl(254, 74%, 35%)
oklchoklch(0.358 0.191 281.5)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0376

Colors that go with #36179b

Denim, Blue and Cobalt Blue 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 →

#7c9b17

#173a9b · #78179b

#9b3617 · #179b36

Split-complementary

Open in tool →

#9b7817 · #3a9b17

#9b173a · #7c9b17 · #179b78

Contrast

#36179b as textRatioAAAA largeAAAFix
Aaon white
11.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #7f5fe7 as the text (4.69:1)
  • AAA: use #9f87ed as the text (7.16:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #36179b as the background.

Brands using this color

Fonts for this mood

#36179b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #36179b
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 #36179b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36179b-aa9cc4-dfbb4e-291f2d-e9ebf1?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