Color

#1a372d

#1a372d
hex#1a372d
rgbrgb(26, 55, 45)
hslhsl(159, 36%, 16%)
oklchoklch(0.311 0.04 169.2)
Closest name: Aztec (#293432)Relative luminance 0.0314

Colors that go with #1a372d

Rust, Sea Green and Sienna 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 →

#371a24

#1a371f · #1a3337

#2d1a37 · #372d1a

Split-complementary

Open in tool →

#371a33 · #371f1a

#1f1a37 · #371a24 · #33371a

Contrast

#1a372d as textRatioAAAA largeAAAFix
Aaon white
12.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #3e846b as the text (4.72:1)
  • AAA: use #4ea688 as the text (7.13:1)
  • AA: or shift the background to #999999 (4.53:1)
  • AAA: or shift the background to #bfbfbf (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 #1a372d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a372d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a372d
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 #1a372d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a372d-a2beb8-d459c0-1f2c2d-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