Color

#0d4e3f

#0d4e3f
hex#0d4e3f
rgbrgb(13, 78, 63)
hslhsl(166, 71%, 18%)
oklchoklch(0.381 0.068 172.9)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0589

Colors that go with #0d4e3f

Crimson, Blue and Blush Pink 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 →

#4e0d1d

#0d4e1f · #0d3d4e

#3f0d4e · #4e3f0d

Split-complementary

Open in tool →

#4e0d3d · #4e1f0d

#1f0d4e · #4e0d1d · #3d4e0d

Contrast

#0d4e3f as textRatioAAAA largeAAAFix
Aaon white
9.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #17876d as the text (4.72:1)
  • AAA: use #1daa89 as the text (7.16:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (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 #0d4e3f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d4e3f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4e3f
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 #0d4e3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4e3f-a2bebb-d459b1-1f2a2d-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