Color

#183e30

#183e30
hex#183e30
rgbrgb(24, 62, 48)
hslhsl(158, 44%, 17%)
oklchoklch(0.331 0.05 166.6)
Closest name: Botanical Night (#12403c)Relative luminance 0.0385

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e1826

#183e1d · #18393e

#30183e · #3e3018

Split-complementary

Open in tool →

#3e1839 · #3e1d18

#1d183e · #3e1826 · #393e18

Contrast

#183e30 as textRatioAAAA largeAAAFix
Aaon white
11.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #338467 as the text (4.64:1)
  • AAA: use #42a983 as the text (7.23:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183e30 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

#183e30 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183e30
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 #183e30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183e30-a2beb7-d459c2-1f2c2d-e9f1eb?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