Color

#40bfe2

#40bfe2
hex#40bfe2
rgbrgb(64, 191, 226)
hslhsl(193, 74%, 57%)
oklchoklch(0.75 0.119 220.2)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4384

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e26340

#40e2b5 · #406ee2

#e240bf · #bfe240

Split-complementary

Open in tool →

#e2406e · #e2b540

#b540e2 · #e26340 · #6ee240

Contrast

#40bfe2 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #177f9b as the text (4.62:1)
  • AAA: use #115e73 as the text (7.31:1)
  • AA: or shift the background to #424242 (4.67:1)
  • AAA: or shift the background to #262626 (7.04:1)
Aaon black
9.77:1passpasspassPasses 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 #40bfe2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#40bfe2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40bfe2
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 #40bfe2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40bfe2-a2b5be-df4e75-1f242d-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