Color

#378686

#378686
hex#378686
rgbrgb(55, 134, 134)
hslhsl(180, 42%, 37%)
oklchoklch(0.572 0.077 195.2)
Closest name: darkcyan (#008b8b)Relative luminance 0.1958

Tints & shades

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

Harmonies

Complementary

Open in tool →

#863737

#37865e · #375e86

#863786 · #868637

Split-complementary

Open in tool →

#86375e · #865e37

#5e3786 · #863737 · #5e8637

Contrast

#378686 as textRatioAAAA largeAAAFix
Aaon white
4.27:1failpassfail
  • AA: use #347f7f as the text (4.68:1)
  • AAA: use #265e5e as the text (7.38:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.92:1passpassfail
  • AAA: use #43a3a3 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378686 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#378686 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #378686
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 #378686 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378686-a2bbbe-d45994-1f272d-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