Color

#288f85

#288f85
hex#288f85
rgbrgb(40, 143, 133)
hslhsl(174, 56%, 36%)
oklchoklch(0.59 0.092 185.5)
Closest name: Highlands (#449084)Relative luminance 0.2179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f2833

#288f52 · #28668f

#85288f · #8f8528

Split-complementary

Open in tool →

#8f2866 · #8f5228

#52288f · #8f2833 · #668f28

Contrast

#288f85 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #25837a as the text (4.56:1)
  • AAA: use #1c635c as the text (7.03:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.36:1passpassfail
  • AAA: use #2fa79b as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288f85 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 #288f85
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #288f85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288f85-a2bebe-d459a1-1f292d-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