Color

#18474e

#18474e
hex#18474e
rgbrgb(24, 71, 78)
hslhsl(188, 53%, 20%)
oklchoklch(0.369 0.051 208.8)
Closest name: Cold and Dark (#154250)Relative luminance 0.0525

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e1f18

#184e3a · #182c4e

#4e1847 · #474e18

Split-complementary

Open in tool →

#4e182c · #4e3a18

#3a184e · #4e1f18 · #2c4e18

Contrast

#18474e as textRatioAAAA largeAAAFix
Aaon white
10.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #2b7f8c as the text (4.52:1)
  • AAA: use #37a3b3 as the text (7.05:1)
  • AA: or shift the background to #adadad (4.56:1)
  • AAA: or shift the background to #d6d6d6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18474e as the background.

Brands using this color

Fonts for this mood

#18474e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18474e
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 #18474e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18474e-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