Color

#218291

#218291
hex#218291
rgbrgb(33, 130, 145)
hslhsl(188, 63%, 35%)
oklchoklch(0.56 0.088 210.4)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1833

Tints & shades

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

Harmonies

Complementary

Open in tool →

#913021

#219168 · #214a91

#912182 · #829121

Split-complementary

Open in tool →

#91214a · #916821

#682191 · #913021 · #4a9121

Contrast

#218291 as textRatioAAAA largeAAAFix
Aaon white
4.5:1passpassfail
  • AAA: use #19616c as the text (7.08:1)
Aaon black
4.67:1passpassfail
  • AAA: use #2aa4b7 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #218291 as the background.

Brands using this color

Fonts for this mood

#218291 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #218291
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 #218291 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/218291-a2b7be-df4e81-1f252d-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