Color

#40aae2

#40aae2
hex#40aae2
rgbrgb(64, 170, 226)
hslhsl(201, 74%, 57%)
oklchoklch(0.701 0.126 235.9)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3533

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e27940

#40e2ca · #4059e2

#e240aa · #aae240

Split-complementary

Open in tool →

#e24059 · #e2ca40

#ca40e2 · #e27940 · #59e240

Contrast

#40aae2 as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #1b7db1 as the text (4.55:1)
  • AAA: use #145d85 as the text (7.16:1)
  • AA: or shift the background to #383838 (4.5:1)
  • AAA: or shift the background to #141414 (7.08:1)
Aaon black
8.07:1passpasspassPasses 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 #40aae2 as the background.

Brands using this color

Fonts for this mood

#40aae2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40aae2
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 #40aae2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40aae2-9cb1c4-df4e62-1f222d-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