Color

#133d49

#133d49
hex#133d49
rgbrgb(19, 61, 73)
hslhsl(193, 59%, 18%)
oklchoklch(0.337 0.05 220.2)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0396

Colors that go with #133d49

Crimson, Steel Blue 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 →

#491f13

#13493a · #132249

#49133d · #3d4913

Split-complementary

Open in tool →

#491322 · #493a13

#3a1349 · #491f13 · #224913

Contrast

#133d49 as textRatioAAAA largeAAAFix
Aaon white
11.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #277e96 as the text (4.51:1)
  • AAA: use #32a3c3 as the text (7.16:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #133d49 as the background.

Brands using this color

Fonts for this mood

#133d49 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133d49
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 #133d49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133d49-a2b5be-df4e75-1f242d-e9f1ef?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