Color

#37ebfb

#37ebfb
hex#37ebfb
rgbrgb(55, 235, 251)
hslhsl(185, 96%, 60%)
oklchoklch(0.861 0.137 204.2)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6719

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb4737

#37fba9 · #3789fb

#fb37eb · #ebfb37

Split-complementary

Open in tool →

#fb3789 · #fba937

#a937fb · #fb4737 · #89fb37

Contrast

#37ebfb as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #03818c as the text (4.64:1)
  • AAA: use #026069 as the text (7.29:1)
  • AA: or shift the background to #5c5c5c (4.6:1)
  • AAA: or shift the background to #404040 (7.13:1)
Aaon black
14.44:1passpasspassPasses 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 #37ebfb 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

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

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

tool url/palettes/new/37ebfb-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