Color

#288f72

#288f72
hex#288f72
rgbrgb(40, 143, 114)
hslhsl(163, 56%, 36%)
oklchoklch(0.584 0.103 169.9)
Closest name: Elf (#1b8a6b)Relative luminance 0.2131

Colors that go with #288f72

Charcoal, Copper and Crimson 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 →

#8f2846

#288f3f · #28798f

#72288f · #8f7228

Split-complementary

Open in tool →

#8f2879 · #8f3f28

#3f288f · #8f2846 · #798f28

Contrast

#288f72 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #258369 as the text (4.64:1)
  • AAA: use #1c634f as the text (7.13:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #30ab88 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288f72 as the background.

Brands using this color

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

mcpConnect your agent — build around #288f72
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 #288f72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288f72-a2beb9-d459b7-1f2b2d-e9f1eb?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