Color

#65d5ec

#65d5ec
hex#65d5ec
rgbrgb(101, 213, 236)
hslhsl(190, 78%, 66%)
oklchoklch(0.816 0.106 213.1)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5641

Colors that go with #65d5ec

Charcoal, Dark Salmon and Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec7b65

#65ecbf · #6592ec

#ec65d5 · #d5ec65

Split-complementary

Open in tool →

#ec6592 · #ecbf65

#bf65ec · #ec7b65 · #92ec65

Contrast

#65d5ec as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #138096 as the text (4.61:1)
  • AAA: use #0e6171 as the text (7.08:1)
  • AA: or shift the background to #525252 (4.57:1)
  • AAA: or shift the background to #363636 (7.07:1)
Aaon black
12.28:1passpasspassPasses 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 #65d5ec as the background.

Brands using this color

Fonts for this mood

#65d5ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #65d5ec
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 #65d5ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/65d5ec-a2b6be-df4e7c-1f252d-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