Color

#288a85

#288a85
hex#288a85
rgbrgb(40, 138, 133)
hslhsl(177, 55%, 35%)
oklchoklch(0.577 0.088 190)
Closest name: darkcyan (#008b8b)Relative luminance 0.2032

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a282d

#288a54 · #285e8a

#85288a · #8a8528

Split-complementary

Open in tool →

#8a285e · #8a5428

#54288a · #8a282d · #5e8a28

Contrast

#288a85 as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #26827e as the text (4.59:1)
  • AAA: use #1c5f5b as the text (7.4:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.06:1passpassfail
  • AAA: use #30a6a0 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288a85 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 #288a85
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 #288a85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288a85-a2bcbe-d4599b-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