Color

#28815c

#28815c
hex#28815c
rgbrgb(40, 129, 92)
hslhsl(155, 53%, 33%)
oklchoklch(0.541 0.102 161.7)
Closest name: Amazon (#387b54)Relative luminance 0.1692

Colors that go with #28815c

Charcoal, Crimson and Medium Violet Red 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 →

#81284d

#28812f · #287981

#5c2881 · #815c28

Split-complementary

Open in tool →

#812879 · #812f28

#2f2881 · #81284d · #798128

Contrast

#28815c as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #1e6245 as the text (7.27:1)
Aaon black
4.38:1failpassfail
  • AA: use #29855e as the text (4.61:1)
  • AAA: use #34a877 as the text (7.01:1)
  • AA: or shift the background to #fafafa (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28815c as the background.

Brands using this color

mcpConnect your agent — build around #28815c
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 #28815c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28815c-a2beb6-d459c8-1f2d2d-e9f1ea?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