Color

#31dcf6

#31dcf6
hex#31dcf6
rgbrgb(49, 220, 246)
hslhsl(188, 92%, 58%)
oklchoklch(0.823 0.134 210.8)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5849

Colors that go with #31dcf6

Charcoal, Crimson and Dodger Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #31dcf6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f64c31

#31f6ae · #317af6

#f631dc · #dcf631

Split-complementary

Open in tool →

#f6317a · #f6ae31

#ae31f6 · #f64c31 · #7af631

Contrast

#31dcf6 as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #068093 as the text (4.65:1)
  • AAA: use #056271 as the text (7.02:1)
  • AA: or shift the background to #545454 (4.58:1)
  • AAA: or shift the background to #383838 (7.09:1)
Aaon black
12.7:1passpasspassPasses 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 #31dcf6 as the background.

Brands using this color

Fonts for this mood

#31dcf6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31dcf6
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #31dcf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31dcf6-a2b7be-df4e81-1f252d-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