Color

#40cafc

#40cafc
hex#40cafc
rgbrgb(64, 202, 252)
hslhsl(196, 97%, 62%)
oklchoklch(0.787 0.134 227.1)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5036

Colors that go with #40cafc

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc7240

#40fcd0 · #406cfc

#fc40ca · #cafc40

Split-complementary

Open in tool →

#fc406c · #fcd040

#d040fc · #fc7240 · #6cfc40

Contrast

#40cafc as textRatioAAAA largeAAAFix
Aaon white
1.9:1failfailfail
  • AA: use #037eab as the text (4.59:1)
  • AAA: use #025d7e as the text (7.32:1)
  • AA: or shift the background to #4a4a4a (4.67:1)
  • AAA: or shift the background to #2e2e2e (7.16:1)
Aaon black
11.07:1passpasspassPasses 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 #40cafc as the background.

Brands using this color

Fonts for this mood

#40cafc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40cafc
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 #40cafc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40cafc-9cb5c4-df4e6e-1f232d-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