Color

#288071

#288071
hex#288071
rgbrgb(40, 128, 113)
hslhsl(170, 52%, 33%)
oklchoklch(0.544 0.085 179.3)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1708

Colors that go with #288071

Charcoal, Medium Violet Red and Copper 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 →

#802837

#288046 · #286380

#712880 · #807128

Split-complementary

Open in tool →

#802863 · #804628

#462880 · #802837 · #638028

Contrast

#288071 as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #1f6156 as the text (7.24:1)
Aaon black
4.42:1failpassfail
  • AA: use #2a8475 as the text (4.66:1)
  • AAA: use #35a794 as the text (7.11:1)
  • AA: or shift the background to #fafafa (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288071 as the background.

Brands using this color

mcpConnect your agent — build around #288071
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 #288071 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288071-a2bebd-d459a9-1f292d-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