Color

#20186d

#20186d
hex#20186d
rgbrgb(32, 24, 109)
hslhsl(246, 64%, 26%)
oklchoklch(0.288 0.139 277.4)
Closest name: midnightblue (#191970)Relative luminance 0.0206

Colors that go with #20186d

Charcoal, Steel Blue and 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 →

#646d18

#183a6d · #4b186d

#6d2018 · #186d20

Split-complementary

Open in tool →

#6d4b18 · #3a6d18

#6d183a · #646d18 · #186d4b

Contrast

#20186d as textRatioAAAA largeAAAFix
Aaon white
14.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #7064dd as the text (4.56:1)
  • AAA: use #938ae5 as the text (7.01:1)
  • AA: or shift the background to #8f8f8f (4.6:1)
  • AAA: or shift the background to #b3b3b3 (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 #20186d as the background.

Brands using this color

Fonts for this mood

#20186d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20186d
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 #20186d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20186d-a59cc4-dfa74e-271f2d-e9ecf1?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