Color

#1d4e41

#1d4e41
hex#1d4e41
rgbrgb(29, 78, 65)
hslhsl(164, 46%, 21%)
oklchoklch(0.386 0.058 173)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0609

Colors that go with #1d4e41

Blue, Blush Pink and Copper 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 →

#4e1d2a

#1d4e28 · #1d434e

#411d4e · #4e411d

Split-complementary

Open in tool →

#4e1d43 · #4e281d

#281d4e · #4e1d2a · #434e1d

Contrast

#1d4e41 as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #30826c as the text (4.54:1)
  • AAA: use #3ea88b as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d4e41 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d4e41 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d4e41
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 #1d4e41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d4e41-a2beba-d459b5-1f2b2d-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