Color

#40abed

#40abed
hex#40abed
rgbrgb(64, 171, 237)
hslhsl(203, 83%, 59%)
oklchoklch(0.709 0.136 240.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3633

Colors that go with #40abed

Charcoal, Peru and Amber 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 →

#ed8240

#40edd9 · #4054ed

#ed40ab · #abed40

Split-complementary

Open in tool →

#ed4054 · #edd940

#d940ed · #ed8240 · #54ed40

Contrast

#40abed as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #117abb as the text (4.64:1)
  • AAA: use #0d5b8c as the text (7.26:1)
  • AA: or shift the background to #383838 (4.62:1)
  • AAA: or shift the background to #171717 (7.06:1)
Aaon black
8.27:1passpasspassPasses 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 #40abed as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/40abed-9cb0c4-df4e5d-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