Color

#37a4ae

#37a4ae
hex#37a4ae
rgbrgb(55, 164, 174)
hslhsl(185, 52%, 45%)
oklchoklch(0.662 0.097 203.9)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.3042

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae4137

#37ae7d · #3769ae

#ae37a4 · #a4ae37

Split-complementary

Open in tool →

#ae3769 · #ae7d37

#7d37ae · #ae4137 · #69ae37

Contrast

#37a4ae as textRatioAAAA largeAAAFix
Aaon white
2.96:1failfailfail
  • AA: use #2b8088 as the text (4.62:1)
  • AAA: use #205f65 as the text (7.28:1)
  • AA: or shift the background to #2e2e2e (4.58:1)
  • AAA: or shift the background to #000000 (7.08:1)
Aaon black
7.08:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37a4ae 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

#37a4ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37a4ae
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 #37a4ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37a4ae-a2b8be-df4e88-1f262d-e9f1ee?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