Color

#40aeed

#40aeed
hex#40aeed
rgbrgb(64, 174, 237)
hslhsl(202, 83%, 59%)
oklchoklch(0.716 0.134 238.2)
Closest name: Cerulean (#55aaee)Relative luminance 0.3748

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ed7f40

#40edd6 · #4057ed

#ed40ae · #aeed40

Split-complementary

Open in tool →

#ed4057 · #edd640

#d640ed · #ed7f40 · #57ed40

Contrast

#40aeed as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #1179b6 as the text (4.74:1)
  • AAA: use #0d5d8c as the text (7.09:1)
  • AA: or shift the background to #3b3b3b (4.53:1)
  • AAA: or shift the background to #1a1a1a (7.04:1)
Aaon black
8.5:1passpasspassPasses 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 #40aeed as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/40aeed-9cb1c4-df4e5f-1f222d-e9f1f0?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