Color

#5a5359

#5a5359
hex#5a5359
rgbrgb(90, 83, 89)
hslhsl(309, 4%, 34%)
oklchoklch(0.451 0.013 330.4)
Closest name: Blackwater (#545663)Relative luminance 0.0908

Colors that go with #5a5359

Blue, Blush Pink and Cadet 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 →

#535a54

#58535a · #5a5356

#595a53 · #53595a

Split-complementary

Open in tool →

#565a53 · #535a58

#5a5853 · #535a54 · #53565a

Contrast

#5a5359 as textRatioAAAA largeAAAFix
Aaon white
7.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #7d737b as the text (4.61:1)
  • AAA: use #9d959c as the text (7.21:1)
  • AA: or shift the background to #c9c9c9 (4.5:1)
  • AAA: or shift the background to #fafafa (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a5359 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#5a5359 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a5359
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 #5a5359 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a5359-a2beb0-c859d4-1f2d2b-eaf1e9?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