Color

#3a8d8a

#3a8d8a
hex#3a8d8a
rgbrgb(58, 141, 138)
hslhsl(178, 42%, 39%)
oklchoklch(0.592 0.08 191.9)
Closest name: Highlands (#449084)Relative luminance 0.2178

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d3a3c

#3a8d61 · #3a668d

#8a3a8d · #8d8a3a

Split-complementary

Open in tool →

#8d3a66 · #8d613a

#613a8d · #8d3a3c · #668d3a

Contrast

#3a8d8a as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #358280 as the text (4.51:1)
  • AAA: use #265e5c as the text (7.4:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.36:1passpassfail
  • AAA: use #44a7a3 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a8d8a 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 #3a8d8a
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 #3a8d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a8d8a-a2bcbe-d45999-1f282d-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