Color

#20535a

#20535a
hex#20535a
rgbrgb(32, 83, 90)
hslhsl(187, 48%, 24%)
oklchoklch(0.411 0.055 207.6)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0723

Colors that go with #20535a

Steel Blue, Rust 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 →

#5b2720

#205b44 · #20365b

#5b2054 · #545b20

Split-complementary

Open in tool →

#5b2036 · #5b4420

#44205b · #5b2720 · #365b20

Contrast

#20535a as textRatioAAAA largeAAAFix
Aaon white
8.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #31818c as the text (4.65:1)
  • AAA: use #3ea4b1 as the text (7.15:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20535a as the background.

Brands using this color

Fonts for this mood

#20535a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20535a
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 #20535a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20535a-a2b8be-df4e83-1f262d-e9f1ee?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