Color

#133e37

#133e37
hex#133e37
rgbrgb(19, 62, 55)
hslhsl(170, 53%, 16%)
oklchoklch(0.332 0.049 180.6)
Closest name: Botanical Night (#12403c)Relative luminance 0.0386

Colors that go with #133e37

Sea Green, Sienna and Teal 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 →

#3e131a

#133e22 · #13303e

#37133e · #3e3713

Split-complementary

Open in tool →

#3e1330 · #3e2213

#22133e · #3e131a · #303e13

Contrast

#133e37 as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #298575 as the text (4.71:1)
  • AAA: use #34a894 as the text (7.17:1)
  • 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 #133e37 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#133e37 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133e37
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 #133e37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133e37-a2bebd-d459a9-1f292d-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