Color

#378682

#378682
hex#378682
rgbrgb(55, 134, 130)
hslhsl(177, 42%, 37%)
oklchoklch(0.57 0.077 190.6)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1947

Tints & shades

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

Harmonies

Complementary

Open in tool →

#86373b

#37865a · #376286

#823786 · #868237

Split-complementary

Open in tool →

#863762 · #865a37

#5a3786 · #86373b · #628637

Contrast

#378682 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #35827f as the text (4.52:1)
  • AAA: use #265e5b as the text (7.41:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #44a7a2 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 #378682 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 #378682
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 #378682 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378682-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