Color

#20518d

#20518d
hex#20518d
rgbrgb(32, 81, 141)
hslhsl(213, 63%, 34%)
oklchoklch(0.434 0.112 255.3)
Closest name: Assassin (#2d4f83)Relative luminance 0.0812

Colors that go with #20518d

Charcoal, Crimson and Sea Green 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 →

#8d5c20

#20888d · #26208d

#8d2051 · #518d20

Split-complementary

Open in tool →

#8d2620 · #888d20

#8d2088 · #8d5c20 · #208d26

Contrast

#20518d as textRatioAAAA largeAAAFix
Aaon white
8.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #2e75cc as the text (4.53:1)
  • AAA: use #6198db as the text (7.02:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20518d 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

#20518d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20518d
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 #20518d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20518d-9ca9c4-df584e-1f202d-e9f0f1?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