Color

#20344b

#20344b
hex#20344b
rgbrgb(32, 52, 75)
hslhsl(212, 40%, 21%)
oklchoklch(0.319 0.049 252.7)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0327

Colors that go with #20344b

Dark Olive Green, Sienna and Slate 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 →

#4b3720

#204a4b · #22204b

#4b2034 · #344b20

Split-complementary

Open in tool →

#4b2220 · #4a4b20

#4b204a · #4b3720 · #204b22

Contrast

#20344b as textRatioAAAA largeAAAFix
Aaon white
12.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #4977ab as the text (4.51:1)
  • AAA: use #7499c3 as the text (7.09:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20344b as the background.

Brands using this color

Fonts for this mood

#20344b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20344b
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 #20344b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20344b-9caac4-df564e-1f202d-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