Color

#043f37

#043f37
hex#043f37
rgbrgb(4, 63, 55)
hslhsl(172, 88%, 13%)
oklchoklch(0.331 0.058 180.7)
Closest name: Botanical Night (#12403c)Relative luminance 0.0386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e040c

#043e19 · #04293e

#37043e · #3e3704

Split-complementary

Open in tool →

#3e0429 · #3e1904

#19043e · #3e040c · #293e04

Contrast

#043f37 as textRatioAAAA largeAAAFix
Aaon white
11.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #098675 as the text (4.68:1)
  • AAA: use #0ba893 as the text (7.04:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #043f37 as the background.

Brands using this color

Fonts for this mood

#043f37 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043f37
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 #043f37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043f37-a2bebe-d459a5-1f292d-e9f1ec?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