Color

#37abd2

#37abd2
hex#37abd2
rgbrgb(55, 171, 210)
hslhsl(195, 63%, 52%)
oklchoklch(0.694 0.115 225)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3459

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d25e37

#37d2ab · #375ed2

#d237ab · #abd237

Split-complementary

Open in tool →

#d2375e · #d2ab37

#ab37d2 · #d25e37 · #5ed237

Contrast

#37abd2 as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #247f9e as the text (4.56:1)
  • AAA: use #1a5e74 as the text (7.25:1)
  • AA: or shift the background to #363636 (4.56:1)
  • AAA: or shift the background to #121212 (7.06:1)
Aaon black
7.92:1passpasspassPasses 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 #37abd2 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

#37abd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37abd2
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 #37abd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37abd2-9cb5c4-df4e70-1f242d-e9f1ef?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