Color

#287b76

#287b76
hex#287b76
rgbrgb(40, 123, 118)
hslhsl(176, 51%, 32%)
oklchoklch(0.533 0.078 189.4)
Closest name: Emperor Jade (#007b75)Relative luminance 0.1593

Colors that go with #287b76

Charcoal, Crimson and Amber 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 →

#7b282e

#287b4c · #28577b

#76287b · #7b7628

Split-complementary

Open in tool →

#7b2857 · #7b4c28

#4c287b · #7b282e · #577b28

Contrast

#287b76 as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #1f605c as the text (7.28:1)
Aaon black
4.19:1failpassfail
  • AA: use #2a837d as the text (4.64:1)
  • AAA: use #36a69e as the text (7.11:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287b76 as the background.

Brands using this color

mcpConnect your agent — build around #287b76
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 #287b76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287b76-a2bdbe-d4599d-1f282d-e9f1ed?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