Color

#37aabe

#37aabe
hex#37aabe
rgbrgb(55, 170, 190)
hslhsl(189, 55%, 48%)
oklchoklch(0.683 0.104 211.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3328

Tints & shades

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

Harmonies

Complementary

Open in tool →

#be4b37

#37be8f · #3766be

#be37aa · #aabe37

Split-complementary

Open in tool →

#be3766 · #be8f37

#8f37be · #be4b37 · #66be37

Contrast

#37aabe as textRatioAAAA largeAAAFix
Aaon white
2.74:1failfailfail
  • AA: use #297f8e as the text (4.65:1)
  • AAA: use #1f5f6b as the text (7.22:1)
  • AA: or shift the background to #333333 (4.61:1)
  • AAA: or shift the background to #0d0d0d (7.09:1)
Aaon black
7.66:1passpasspassPasses 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 #37aabe 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

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

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

tool url/palettes/new/37aabe-a2b7be-df4e7e-1f252d-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