Color

#538880

#538880
hex#538880
rgbrgb(83, 136, 128)
hslhsl(171, 24%, 43%)
oklchoklch(0.587 0.058 183.7)
Closest name: Aloe Vera (#678779)Relative luminance 0.2101

Colors that go with #538880

Charcoal, Copper and Champagne 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.

Real palettes that use #538880

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#88535b

#538866 · #537688

#805388 · #888053

Split-complementary

Open in tool →

#885376 · #886653

#665388 · #88535b · #768853

Contrast

#538880 as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #4e7e77 as the text (4.59:1)
  • AAA: use #3a5f59 as the text (7.09:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.2:1passpassfail
  • AAA: use #64a097 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #538880 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

mcpConnect your agent — build around #538880
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 #538880 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/538880-a2bebd-d459a7-1f292d-e9f1ec?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