Color

#1f372f

#1f372f
hex#1f372f
rgbrgb(31, 55, 47)
hslhsl(160, 28%, 17%)
oklchoklch(0.314 0.034 170.9)
Closest name: Aztec (#293432)Relative luminance 0.0323

Colors that go with #1f372f

Sea Green, Sienna and Slate Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#371f27

#1f3723 · #1f3337

#2f1f37 · #372f1f

Split-complementary

Open in tool →

#371f33 · #37231f

#231f37 · #371f27 · #33371f

Contrast

#1f372f as textRatioAAAA largeAAAFix
Aaon white
12.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #487f6d as the text (4.53:1)
  • AAA: use #5ca38b as the text (7.07:1)
  • AA: or shift the background to #9c9c9c (4.65:1)
  • AAA: or shift the background to #c2c2c2 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f372f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f372f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f372f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1f372f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f372f-a2beb8-d459be-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