Color

#133f2a

#133f2a
hex#133f2a
rgbrgb(19, 63, 42)
hslhsl(151, 54%, 16%)
oklchoklch(0.331 0.061 159.3)
Closest name: Queen of Trees (#1c401f)Relative luminance 0.0386

Colors that go with #133f2a

Crimson, 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 →

#3f1328

#133f14 · #133e3f

#2a133f · #3f2a13

Split-complementary

Open in tool →

#3f133e · #3f1413

#14133f · #3f1328 · #3e3f13

Contrast

#133f2a as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #288658 as the text (4.64:1)
  • AAA: use #32a970 as the text (7.04:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (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 #133f2a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#133f2a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133f2a
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 #133f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133f2a-a2beb4-d459d0-1f2d2c-e9f1ea?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