Color

#184e4e

#184e4e
hex#184e4e
rgbrgb(24, 78, 78)
hslhsl(180, 53%, 20%)
oklchoklch(0.389 0.056 195.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0619

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e1818

#184e33 · #18334e

#4e184e · #4e4e18

Split-complementary

Open in tool →

#4e1833 · #4e3318

#33184e · #4e1818 · #334e18

Contrast

#184e4e as textRatioAAAA largeAAAFix
Aaon white
9.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #288181 as the text (4.55:1)
  • AAA: use #34a8a8 as the text (7.31:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #184e4e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#184e4e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #184e4e
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 #184e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/184e4e-a2bbbe-d45994-1f272d-e9f1ed?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