Color

#1d4e47

#1d4e47
hex#1d4e47
rgbrgb(29, 78, 71)
hslhsl(171, 46%, 21%)
oklchoklch(0.388 0.054 182.6)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0616

Colors that go with #1d4e47

Sea Green, Teal and 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 →

#4e1d24

#1d4e2e · #1d3d4e

#471d4e · #4e471d

Split-complementary

Open in tool →

#4e1d3d · #4e2e1d

#2e1d4e · #4e1d24 · #3d4e1d

Contrast

#1d4e47 as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #308276 as the text (4.58:1)
  • AAA: use #3ea898 as the text (7.26:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d4e47 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d4e47 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d4e47
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 #1d4e47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d4e47-a2bebd-d459a7-1f292d-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