Color

#18697b

#18697b
hex#18697b
rgbrgb(24, 105, 123)
hslhsl(191, 67%, 29%)
oklchoklch(0.483 0.078 216.7)
Closest name: Atlantis (#336172)Relative luminance 0.1173

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b2b18

#187b5c · #18387b

#7b1869 · #697b18

Split-complementary

Open in tool →

#7b1838 · #7b5c18

#5c187b · #7b2b18 · #387b18

Contrast

#18697b as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #165e6f as the text (7.33:1)
Aaon black
3.35:1failpassfail
  • AA: use #1d7f95 as the text (4.52:1)
  • AAA: use #26a3c0 as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18697b 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

#18697b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18697b
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 #18697b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18697b-a2b6be-df4e7a-1f252d-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