Color

#18becd

#18becd
hex#18becd
rgbrgb(24, 190, 205)
hslhsl(185, 79%, 45%)
oklchoklch(0.733 0.122 205.1)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd2718

#18cd82 · #1864cd

#cd18be · #becd18

Split-complementary

Open in tool →

#cd1864 · #cd8218

#8218cd · #cd2718 · #64cd18

Contrast

#18becd as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #11838d as the text (4.51:1)
  • AAA: use #0c6169 as the text (7.17:1)
  • AA: or shift the background to #404040 (4.58:1)
  • AAA: or shift the background to #212121 (7.12:1)
Aaon black
9.29:1passpasspassPasses 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 #18becd as the background.

Brands using this color

Fonts for this mood

#18becd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18becd
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 #18becd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18becd-a2b8be-df4e88-1f262d-e9f1ee?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